counterSince June 16, 2000STUDIO KAMADAEnglish text only.
Factorizations
Factorizations of 700...0032008-06-24(Tue) 22:37

Last update

Jun 24, 2008 22:37 JST

Sequence

73, 703, 7003, 70003, 700003, ...

General term

7·10n+3

Room for prime numbers

upper limit of periods: 10000
upper limit of periodical factors: 4294967296
checked terms: 100000000
terms divided by periodical factors: 80248531
room for prime numbers: 19.75%

Prime numbers

  1. 7·101+3 = 73 is prime. (Julien Peter Benney / Sep 7, 2004)
  2. 7·104+3 = 70003 is prime. (Julien Peter Benney / Sep 7, 2004)
  3. 7·106+3 = 7000003 is prime. (Julien Peter Benney / Sep 7, 2004)
  4. 7·1016+3 = 7(0)153<17> is prime. (Julien Peter Benney / Sep 7, 2004)
  5. 7·1022+3 = 7(0)213<23> is prime. (Julien Peter Benney / Sep 7, 2004)
  6. 7·1039+3 = 7(0)383<40> is prime. (Julien Peter Benney / Sep 7, 2004)
  7. 7·10103+3 = 7(0)1023<104> is prime. (Julien Peter Benney / Sep 7, 2004)
  8. 7·10163+3 = 7(0)1623<164> is prime. (Julien Peter Benney / Sep 7, 2004)
  9. 7·10240+3 = 7(0)2393<241> is prime. (Julien Peter Benney / Sep 7, 2004)
  10. 7·101048+3 = 7(0)10473<1049> is prime. (searched by Makoto Kamada / PFGW / Dec 17, 2004) (certified by Tyler Cadigan / PRIMO 2.2.0 beta 6 / Sep 14, 2006)
  11. 7·101974+3 = 7(0)19733<1975> is prime. (searched by Makoto Kamada / PFGW / Dec 17, 2004) (certified by Tyler Cadigan / PRIMO 2.2.0 beta 6 / Jun 17, 2006)
  12. 7·102559+3 = 7(0)25583<2560> is prime. (searched by Makoto Kamada / PFGW / Dec 17, 2004) (certified by suberi / PRIMO 3.0.4 / Sep 24, 2007)
  13. 7·105880+3 = 7(0)58793<5881> is PRP. (Makoto Kamada / PFGW / Dec 21, 2004)
Searched:
References:

Condition

n≤200

Status

Completed up to n=100. (Jan 6, 2005)
Completed up to n=150. (Aug 6, 2007)
The following numbers are not factored yet. (n≤200)
n= 168, 171, 173, 179, 180, 181, 183, 184, 186, 194, 195, 196, 197, 198 (14/200)

Factorization results

7·101+3 =
73
= definitely prime number
7·102+3 =
703
= 19 · 37
7·103+3 =
7003
= 47 · 149
7·104+3 =
70003
= definitely prime number
7·105+3 =
700003
= 37 · 18919
7·106+3 =
7000003
= definitely prime number
7·107+3 =
70000003
= 431 · 162413
7·108+3 =
700000003
= 37 · 18918919
7·109+3 =
7000000003<10>
= 73 · 379 · 5032
7·1010+3 =
70000000003<11>
= 17 · 23 · 71 · 827 · 3049
7·1011+3 =
700000000003<12>
= 37 · 18918918919<11>
7·1012+3 =
7000000000003<13>
= 31 · 199 · 1134705787<10>
7·1013+3 =
70000000000003<14>
= 8279539 · 8454577
7·1014+3 =
700000000000003<15>
= 37 · 218843 · 86449733
7·1015+3 =
7000000000000003<16>
= 2441 · 995023 · 2882021
7·1016+3 =
70000000000000003<17>
= definitely prime number
7·1017+3 =
700000000000000003<18>
= 37 · 59 · 73 · 1049 · 4187414533<10>
7·1018+3 =
7000000000000000003<19>
= 892 · 41443 · 80747 · 264083
7·1019+3 =
70000000000000000003<20>
= 2557 · 29804867 · 918502037
7·1020+3 =
700000000000000000003<21>
= 19 · 37 · 995732574679943101<18>
7·1021+3 =
7000000000000000000003<22>
= 29 · 162859 · 861797 · 1719821209<10>
7·1022+3 =
70000000000000000000003<23>
= definitely prime number
7·1023+3 =
700000000000000000000003<24>
= 37 · 131 · 144419228388694037549<21>
7·1024+3 =
7000000000000000000000003<25>
= 3011 · 21628169 · 107489868122617<15>
7·1025+3 =
70000000000000000000000003<26>
= 73 · 443 · 19793 · 108793 · 1005214804873<13>
7·1026+3 =
700000000000000000000000003<27>
= 17 · 372 · 5329217 · 5643938410859083<16>
7·1027+3 =
7000000000000000000000000003<28>
= 31 · 419 · 538917545615520825313727<24>
7·1028+3 =
70000000000000000000000000003<29>
= 269 · 10601 · 45449497 · 540094611485071<15>
7·1029+3 =
700000000000000000000000000003<30>
= 37 · 127 · 389 · 3619151 · 105812333075482123<18>
7·1030+3 =
7000000000000000000000000000003<31>
= 347 · 5323 · 3789763415897840971781963<25>
7·1031+3 =
70000000000000000000000000000003<32>
= 2179 · 41696363 · 19747905371<11> · 39014100409<11>
7·1032+3 =
700000000000000000000000000000003<33>
= 23 · 37 · 3041 · 83801567159<11> · 3227750220099287<16>
7·1033+3 =
7000000000000000000000000000000003<34>
= 73 · 521 · 170773 · 397807 · 1286953 · 2105150459777<13>
7·1034+3 =
70000000000000000000000000000000003<35>
= 139 · 503597122302158273381294964028777<33>
7·1035+3 =
700000000000000000000000000000000003<36>
= 37 · 1399 · 8527 · 5001175302709<13> · 317110235848867<15>
7·1036+3 =
7000000000000000000000000000000000003<37>
= 3347 · 2091425156856886764266507319988049<34>
7·1037+3 =
70000000000000000000000000000000000003<38>
= 107 · 4968727 · 78118217 · 1685453613169208833831<22>
7·1038+3 =
700000000000000000000000000000000000003<39>
= 19 · 37 · 4967 · 39821 · 50380721 · 99924507080031586583<20>
7·1039+3 =
7000000000000000000000000000000000000003<40>
= definitely prime number
7·1040+3 =
70000000000000000000000000000000000000003<41>
= 6073 · 5028431 · 9336371299<10> · 245518458609668754119<21>
7·1041+3 =
700000000000000000000000000000000000000003<42>
= 37 · 73 · 381606813145997<15> · 679136912481567898730699<24>
7·1042+3 =
7000000000000000000000000000000000000000003<43>
= 17 · 31 · 82942289 · 18989435591311<14> · 8433334983673032691<19>
7·1043+3 =
70000000000000000000000000000000000000000003<44>
= 65687 · 2552472279171967709<19> · 417501055941749733241<21>
7·1044+3 =
700000000000000000000000000000000000000000003<45>
= 37 · 509 · 37168799447777836775872139329899644241491<41>
7·1045+3 =
7000000000000000000000000000000000000000000003<46>
= 71 · 661 · 4451 · 29921131 · 224039852081<12> · 4998933445471474433<19>
7·1046+3 =
70000000000000000000000000000000000000000000003<47>
= 302597308627<12> · 231330543941771448107229367806428689<36>
7·1047+3 =
700000000000000000000000000000000000000000000003<48>
= 37 · 1123 · 1627 · 1867 · 5546061597838509372089665626454296517<37>
7·1048+3 =
7000000000000000000000000000000000000000000000003<49>
= 100237 · 7373711 · 9470738987920673578770364540154004929<37>
7·1049+3 =
70000000000000000000000000000000000000000000000003<50>
= 29 · 47 · 61 · 73 · 1453 · 566633 · 9814830305767373<16> · 1427247253083751501<19>
7·1050+3 =
700000000000000000000000000000000000000000000000003<51>
= 37 · 749562861861318382769<21> · 25239936343616813435267543351<29>
7·1051+3 =
7000000000000000000000000000000000000000000000000003<52>
= 24389347 · 287010554239111034830083806671822742937726049<45>
7·1052+3 =
70000000000000000000000000000000000000000000000000003<53>
= 8431 · 6032898669642243199<19> · 1376236018405101648256080859987<31>
7·1053+3 =
700000000000000000000000000000000000000000000000000003<54>
= 37 · 72817 · 1937953 · 382113816734066933<18> · 350854904593510277162843<24>
7·1054+3 =
7000000000000000000000000000000000000000000000000000003<55>
= 23 · 12721 · 19910463163<11> · 136572980418849173<18> · 8798381749283302925059<22>
7·1055+3 =
70000000000000000000000000000000000000000000000000000003<56>
= 191 · 102751531 · 2368178554907226877<19> · 1506128155005487912438398659<28>
7·1056+3 =
700000000000000000000000000000000000000000000000000000003<57>
= 19 · 37 · 74869 · 512029021883<12> · 25974434731566763095365871333276915563<38>
7·1057+3 =
7000000000000000000000000000000000000000000000000000000003<58>
= 31 · 73 · 4188337 · 5344247 · 102260328393131<15> · 1351382101160513627356664809<28>
7·1058+3 =
70000000000000000000000000000000000000000000000000000000003<59>
= 17 · 277 · 461 · 1129 · 2310906293211283<16> · 12359250849266324509191590161390921<35>
7·1059+3 =
700000000000000000000000000000000000000000000000000000000003<60>
= 37 · 3593 · 8613868024309203048907<22> · 611280983223493859615227033272269<33>
7·1060+3 =
7000000000000000000000000000000000000000000000000000000000003<61>
= 27743 · 238538735269<12> · 78240366615452683<17> · 13519319415183249238388577323<29>
7·1061+3 =
70000000000000000000000000000000000000000000000000000000000003<62>
= 1483 · 7687 · 9511 · 70793 · 183797 · 496221359 · 150668771531483<15> · 663661141811869849<18>
7·1062+3 =
700000000000000000000000000000000000000000000000000000000000003<63>
= 37 · 89 · 212572122684482235044032796841785605830549650774369875493471<60>
7·1063+3 =
7000000000000000000000000000000000000000000000000000000000000003<64>
= 113 · 61946902654867256637168141592920353982300884955752212389380531<62>
7·1064+3 =
70000000000000000000000000000000000000000000000000000000000000003<65>
= 1973 · 100660729154531977<18> · 352460848829086094947433551001005014854677343<45>
7·1065+3 =
700000000000000000000000000000000000000000000000000000000000000003<66>
= 37 · 73 · 28435201 · 20977753441<11> · 2678034970718467<16> · 162234021139161700314156923749<30>
7·1066+3 =
7000000000000000000000000000000000000000000000000000000000000000003<67>
= 1697 · 930656281 · 7728917771701966894842589<25> · 573466691681854868740906615511<30>
7·1067+3 =
70000000000000000000000000000000000000000000000000000000000000000003<68>
= 4936777053491<13> · 14179291315272196466393952738015323376126233226178062833<56>
7·1068+3 =
700000000000000000000000000000000000000000000000000000000000000000003<69>
= 37 · 193 · 619 · 60601 · 669659 · 18608727887814241<17> · 209699875165920974563419558715441703<36>
7·1069+3 =
7000000000000000000000000000000000000000000000000000000000000000000003<70>
= 173887737338537586978836129<27> · 40255857642059480549186993689702864815439907<44>
7·1070+3 =
70000000000000000000000000000000000000000000000000000000000000000000003<71>
= 7823 · 220949251 · 16178994737<11> · 2503114075548444020360998910904996074815776627103<49>
7·1071+3 =
700000000000000000000000000000000000000000000000000000000000000000000003<72>
= 37 · 127 · 293 · 69067 · 12854759 · 395803621 · 1446807263177265233672652226440282267567072133<46>
7·1072+3 =
7000000000000000000000000000000000000000000000000000000000000000000000003<73>
= 31 · 16356751 · 2340591634189<13> · 5898120693798185395744147552615103390145346469886367<52>
7·1073+3 =
70000000000000000000000000000000000000000000000000000000000000000000000003<74>
= 73 · 4673 · 2857711 · 10209799 · 79187384312853143<17> · 88815323572289303209987619820673754341<38>
7·1074+3 =
700000000000000000000000000000000000000000000000000000000000000000000000003<75>
= 17 · 19 · 37 · 57613818950730495168923<23> · 63389240387291600908937<23> · 16038050719104036452467103<26>
7·1075+3 =
7000000000000000000000000000000000000000000000000000000000000000000000000003<76>
= 59 · 881 · 430510464405529097<18> · 312814162764180274673777190185028559555922545807610081<54>
7·1076+3 =
70000000000000000000000000000000000000000000000000000000000000000000000000003<77>
= 23 · 857 · 12042608190371153<17> · 219847012337972745665437<24> · 1341368975505329520693615169090193<34>
7·1077+3 =
700000000000000000000000000000000000000000000000000000000000000000000000000003<78>
= 29 · 37 · 6827 · 9337 · 10289 · 2756510632466374221777091442819<31> · 360851252603682393164477684328379<33>
7·1078+3 =
7000000000000000000000000000000000000000000000000000000000000000000000000000003<79>
= 2367284929<10> · 2956974006063973890149325577867521666632466446120816747699575288429507<70>
7·1079+3 =
70000000000000000000000000000000000000000000000000000000000000000000000000000003<80>
= 2803 · 323699 · 786357080437182868178134838053<30> · 98110114585870646608966603457662892593583<41> (Makoto Kamada / msieve 0.83)
7·1080+3 =
700000000000000000000000000000000000000000000000000000000000000000000000000000003<81>
= 37 · 71 · 139 · 54609794767226863<17> · 37491349731843928110181543061<29> · 936314063964432494275383997657<30>
7·1081+3 =
7000000000000000000000000000000000000000000000000000000000000000000000000000000003<82>
= 73 · 739 · 65788857698602513<17> · 1972324619173110934014122966523734746806468458217080449948873<61>
7·1082+3 =
70000000000000000000000000000000000000000000000000000000000000000000000000000000003<83>
= 11605960687<11> · 56797820400025342328862697<26> · 106190404414860719984812806891288546309165632677<48>
7·1083+3 =
700000000000000000000000000000000000000000000000000000000000000000000000000000000003<84>
= 37 · 191520055240951<15> · 320947808440067<15> · 307785136491684725872333178444983348123321172322243707<54>
7·1084+3 =
7000000000000000000000000000000000000000000000000000000000000000000000000000000000003<85>
= 179354807 · 39028783878650099408821532171144986373295252688711041907006150105583732695829<77>
7·1085+3 =
70000000000000000000000000000000000000000000000000000000000000000000000000000000000003<86>
= 521 · 4231 · 22853 · 13220808901<11> · 2211334782726803935956510331<28> · 47529314081865549689931581435110935871<38>
7·1086+3 =
700000000000000000000000000000000000000000000000000000000000000000000000000000000000003<87>
= 37 · 2377 · 2599658317<10> · 3061617019600199308342265007622546506178275318776229859681803848981060491<73>
7·1087+3 =
7000000000000000000000000000000000000000000000000000000000000000000000000000000000000003<88>
= 31 · 5340200312976967<16> · 42284266203307336368434910202178396774739052422268006448720891792319739<71>
7·1088+3 =
70000000000000000000000000000000000000000000000000000000000000000000000000000000000000003<89>
= 172148841414205902090241764827236561<36> · 406624868485600664233318057044925358316686761169023123<54> (Makoto Kamada / GGNFS-0.70.3 / 0.14 hours)
7·1089+3 =
700000000000000000000000000000000000000000000000000000000000000000000000000000000000000003<90>
= 37 · 73 · 313 · 67281165463<11> · 12306529935638987421213603187769214793991610830464723197877649828765597137<74>
7·1090+3 =
7000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003<91>
= 17 · 107 · 1063 · 4691 · 1458749 · 50691871 · 23011725523786513222190760199<29> · 453522215822751428959200344094328654609<39>
7·1091+3 =
70000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003<92>
= 787 · 1571 · 8929 · 1236297857903767<16> · 816646943495303646635369<24> · 6280393304778504628636119651022288626892117<43>
7·1092+3 =
700000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003<93>
= 19 · 37 · 359 · 2908271 · 23711881 · 1298922472957<13> · 442355914879419007<18> · 69999077645998966691545482711291387001950511<44>
7·1093+3 =
7000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003<94>
= 97 · 163859 · 432357697033<12> · 3958299705337<13> · 257338127617434101786891673873770926734968627025925126838344241<63>
7·1094+3 =
70000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003<95>
= 42139 · 28072733139049<14> · 422522728446857499995021897<27> · 140048687152761077323790999317989342736433769646409<51>
7·1095+3 =
700000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003<96>
= 37 · 47 · 1087 · 24749 · 1589778503<10> · 88121919273006163<17> · 106804780226580541740150695089251552881834137227623150357111<60>
7·1096+3 =
7000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003<97>
= 1277137 · 758640293 · 7224780343515691901762634225996096609576621025841511346216663678738308316724103383<82>
7·1097+3 =
70000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003<98>
= 73 · 9539 · 1057291 · 10849301 · 1553772995569<13> · 42929366127936416233139<23> · 131381432333586171612770896914372706250669429<45>
7·1098+3 =
700000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003<99>
= 23 · 37 · 314077 · 1824523394303<13> · 13128394015929449<17> · 109338045710575684050814792659497213706098346630468054059129987<63>
7·1099+3 =
7000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003<100>
= 3721631 · 40127119140739769869<20> · 46873431455466153445394850477615578381812674769089931057245821372648612177<74>
7·10100+3 =
70000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003<101>
= 45198479 · 1146794639<10> · 24565244637631441<17> · 72828280143847901461556239<26> · 754861747261501417728155105126304381583837<42>
7·10101+3 =
7(0)1003<102>
= 37 · 22709 · 833102246638729971329381254961421415250293668541940152314893606892373901048875728518161033903691<96>
7·10102+3 =
7(0)1013<103>
= 31 · 109 · 218458834435204518225157303<27> · 9482879589157446474673484064735583326177687114602581017293041369451847319<73>
7·10103+3 =
7(0)1023<104>
= definitely prime number
7·10104+3 =
7(0)1033<105>
= 37 · 10871221 · 5169682807715605493<19> · 336630989875194108765240828121579926889120985272434568122702269209669481193023<78>
7·10105+3 =
7(0)1043<106>
= 29 · 73 · 24083987 · 137293127385205135204051721013678821053074477905168205332159731648723537539107467545228731251357<96>
7·10106+3 =
7(0)1053<107>
= 17 · 89 · 1187 · 5256725437807406804389<22> · 7414691716480231217520181086618968088583107383108395058908222269611234464571717<79>
7·10107+3 =
7(0)1063<108>
= 37 · 83635418281<11> · 140299365803<12> · 4117060791541<13> · 826889092214855513<18> · 473604512874832354070314796392028912847740003713816801<54>
7·10108+3 =
7(0)1073<109>
= 15932731 · 21135103243411643094225839323775893<35> · 20787556496228678876263628963578198111397575572164064323810422220341<68> (Sinkiti Sibata / GGNFS-0.77.1-20060722-pentium4 / 1.97 hours on Pentium 4 2.4GHz, Windows XP and Cygwin / Aug 3, 2007)
7·10109+3 =
7(0)1083<110>
= 61 · 283 · 6833 · 3752738047<10> · 94998794192060872628935849323365693<35> · 1664577444559100089652031980780871295487207378438987754367<58> (Robert Backstrom / Msieve v. 1.25 for P35 x P58 / 02:06:42 on AMD 64 3400+ / Jul 31, 2007)
7·10110+3 =
7(0)1093<111>
= 19 · 37 · 62760724109<11> · 84761407142803<14> · 803154437998628211087235799<27> · 233054529447123663329871970637744890768721638386616333837<57>
7·10111+3 =
7(0)1103<112>
= 199 · 78101 · 3325898053<10> · 77728044727<11> · 3697427755380236234627<22> · 471196435114465723546238321975910409617411023105411046696555481<63>
7·10112+3 =
7(0)1113<113>
= 72077 · 46448851699<11> · 11035256564809<14> · 1894715121853558670446882736556831311166778905145114951475045713704506218685892610829<85>
7·10113+3 =
7(0)1123<114>
= 37 · 73 · 127 · 523 · 20143 · 16454791 · 15906103516637<14> · 3406569578578088551<19> · 936855969321695091127<21> · 231898332726876894907707540283208639560439<42>
7·10114+3 =
7(0)1133<115>
= 48593 · 4986920837<10> · 1350260504323<13> · 377177032131509861<18> · 1142155916718289309<19> · 49659650238040515294223068397416732858526996543916429<53>
7·10115+3 =
7(0)1143<116>
= 71 · 571 · 1753 · 41759 · 101687624751179<15> · 229383234010881253145836095413674027664523319<45> · 1011211039809810274754617373533701326457880829<46> (Sinkiti Sibata / Msieve v. 1.23 for P45 x P46 / 09:45:05 on Celeron 750MHz,Windows 2000 / Jul 31, 2007)
7·10116+3 =
7(0)1153<117>
= 37 · 223 · 829639 · 679469613595983877<18> · 316259956988478262729<21> · 475869692991096230910420889144359168075567344417898165610155914471419<69>
7·10117+3 =
7(0)1163<118>
= 31 · 796610382478821640289686993942482559318724926882166707<54> · 283459086875391589955150402968360965955345854041338678737403759<63> (Robert Backstrom / GGNFS-0.77.1-20051202-athlon / 1.23 hours on Cygwin on AMD 64 3400+ / Jul 31, 2007)
7·10118+3 =
7(0)1173<119>
= 179 · 491 · 841873 · 15347665259486976996421<23> · 1139407170046294248864777606642001<34> · 54099801183923492995938105985141721603808960886335319<53> (Makoto Kamada / GMP-ECM 6.1.2 B1=250000, sigma=1580992944 for P34 / Jul 23, 2007)
7·10119+3 =
7(0)1183<120>
= 37 · 26029 · 591691 · 125313757 · 35091539471<11> · 279346154535902448842097031259446400522154284661319800201432279924844739094548346598832243<90>
7·10120+3 =
7(0)1193<121>
= 23 · 366479 · 490913 · 787073943986243214424803305243<30> · 2149319812250807291486495152588101029793779750183550066121886943689304730180801<79> (Robert Backstrom / GGNFS-0.77.1-20051202-athlon / 1.62 hours on Cygwin on AMD 64 3400+ / Aug 1, 2007)
7·10121+3 =
7(0)1203<122>
= 73 · 14519 · 12297783804432233<17> · 5370461663804082728489673368790562330545934356189330671883291090032385064275977876996106012255214693<100>
7·10122+3 =
7(0)1213<123>
= 173 · 37 · 34057 · 121139 · 447641 · 1966357949<10> · 36803587049889567164794261972333592412847<41> · 28812211472214508546521155757658327809127986705923647<53> (Robert Backstrom / Msieve v. 1.25 for P41 x P53 / 02:18:11 on AMD 64 3400+ / Jul 31, 2007)
7·10123+3 =
7(0)1223<124>
= 1051 · 6660323501427212178877259752616555661274976213130352045670789724072312083729781160799238820171265461465271170313986679353<121>
7·10124+3 =
7(0)1233<125>
= 15204354063320977<17> · 39852682630033327<17> · 16454979289548367744901143<26> · 7020615117095165460306277936299814957685144453038459247590208667499<67>
7·10125+3 =
7(0)1243<126>
= 37 · 499 · 13699452564493006814819701274146501315424887911148777<53> · 2767531402418291140749455418859878737861230939330176281407585478703253<70> (Robert Backstrom / GGNFS-0.77.1-20060513-athlon-xp / 2.02 hours on Cygwin on AMD 64 3200+ / Aug 2, 2007)
7·10126+3 =
7(0)1253<127>
= 139 · 3467 · 121267 · 43013903 · 486725599 · 22607898319<11> · 4453779204725453740170721<25> · 56820473731842723734333158728988035577213359550080351146041187431<65>
7·10127+3 =
7(0)1263<128>
= 277 · 683 · 101758248455110600982078958785140824830321627783059244018899<60> · 3636034073135055601486854090198041730366400527898690994554262567<64> (Robert Backstrom / GGNFS-0.77.1-20060513-athlon-xp / 2.70 hours on Cygwin on AMD 64 3200+ / Aug 2, 2007)
7·10128+3 =
7(0)1273<129>
= 19 · 37 · 26282295373764725335115813<26> · 37886058295878306213616108946850864776727658896365098036372977202899697535501526642168774128806363577<101>
7·10129+3 =
7(0)1283<130>
= 73 · 520369286050301<15> · 270808955508136127278993<24> · 680456712526241661156953703291776730767927997652114292035446362319384582992378750808175127<90>
7·10130+3 =
7(0)1293<131>
= 20346317 · 99919903 · 232724273 · 968648957 · 55425339049583230640793394931<29> · 2755775112490202917983700300340486561295646135907138645419544894886583<70>
7·10131+3 =
7(0)1303<132>
= 37 · 167 · 821 · 86381 · 8277265193<10> · 1909043502241<13> · 11221997190059<14> · 245476063044641766698278446037400797293497<42> · 36697498431299323192437388994595232599875443<44> (Robert Backstrom / Msieve v. 1.25 for P42 x P44 / 00:31:35 on AMD 64 3400+ / Jul 31, 2007)
7·10132+3 =
7(0)1313<133>
= 31 · 1897144835436283709<19> · 1514672391291856973675707124754820474913203927051<49> · 78580927206153670651740539814203277361304443804223185859614493507<65> (Robert Backstrom / GGNFS-0.77.1-20051202-athlon / 4.29 hours on Cygwin on AMD XP 2700+ / Aug 2, 2007)
7·10133+3 =
7(0)1323<134>
= 29 · 59 · 1741 · 19286399236854181<17> · 46083256114156603252213<23> · 8783383808652802647890907770843019907393<40> · 3010184316154118713322706068056130317359871964857<49> (Robert Backstrom / Msieve v. 1.25 for P40 x P49 / 00:43:56 on AMD 64 3400+ / Jul 31, 2007)
7·10134+3 =
7(0)1333<135>
= 37 · 911 · 2477 · 3617 · 49545323 · 32882397982111<14> · 5367062025418043120995211357<28> · 265094467340820790612800457652637262397650002638915153761179523971580034861<75>
7·10135+3 =
7(0)1343<136>
= 75019561 · 127203697 · 498282829674007715259141593888416290550964085919<48> · 1472135771787141323267702134218700861789671776680188265909145553844113061<73> (Robert Backstrom / GGNFS-0.77.1-20060513-athlon-xp / 3.62 hours on Cygwin on AMD 64 3200+ / Aug 2, 2007)
7·10136+3 =
7(0)1353<137>
= 189532579450789969799143826592293<33> · 2381835865531583487969941738318774107993447<43> · 155060912820934332646084226028944988675098343203271382941181793<63> (Robert Backstrom / GGNFS-0.77.1-20051202-athlon / 5.52 hours on Cygwin on AMD 64 3400+ / Jul 31, 2007)
7·10137+3 =
7(0)1363<138>
= 372 · 73 · 373 · 521 · 18719 · 249341 · 960331 · 1467499879<10> · 139631923964055191736784404269<30> · 39243261185324721562992298947369650901900632234898044840233858916987494957<74> (Sinkiti Sibata / GGNFS-0.77.1-20060722-pentium4 / 9.59 hours on Pentium 4 2.4GHz, Windows XP and Cygwin / Aug 2, 2007)
7·10138+3 =
7(0)1373<139>
= 17 · 8243 · 68483 · 259690877 · 416873729 · 472302839 · 39500434691109480414761661938549<32> · 361158125739483496643032610400546386075176007047634753673066706124874797<72> (Sinkiti Sibata / GGNFS-0.77.1-20060722-pentium4 / 12.90 hours on Pentium 4 2.4GHz, Windows XP and Cygwin / Aug 3, 2007)
7·10139+3 =
7(0)1383<140>
= 517222561 · 546738868367<12> · 6655200828291269<16> · 3981759409345941527<19> · 57295780593317396927<20> · 163035360899287075108627762760765546259653073401679508268751156769<66>
7·10140+3 =
7(0)1393<141>
= 37 · 8930917 · 113901888018295570523922817<27> · 278323359075849334609317178348129<33> · 66822032691525636457754568132542380413223137289570793768530446299737118299<74> (Sinkiti Sibata / GGNFS-0.77.1-20060722-pentium4 / 9.94 hours on Pentium 4 2.4GHz, Windows XP and Cygwin / Aug 2, 2007)
7·10141+3 =
7(0)1403<142>
= 47 · 1277 · 3825553989407<13> · 541714739387789911<18> · 9465590749942502839939485961<28> · 5945612121765785967914201933760528425476584189513474451167602728122232328084321<79>
7·10142+3 =
7(0)1413<143>
= 23 · 3043478260869565217391304347826086956521739130434782608695652173913043478260869565217391304347826086956521739130434782608695652173913043478261<142>
7·10143+3 =
7(0)1423<144>
= 37 · 107 · 181 · 42929 · 55778925763273769417<20> · 99615388886871440186141889727022388487187792018971<50> · 4095308385474807274359199791739966295408609792078800566560390219<64> (Robert Backstrom / GGNFS-0.77.1-20051202-athlon / 8.69 hours on Cygwin on AMD 64 3200+ / Aug 6, 2007)
7·10144+3 =
7(0)1433<145>
= 109883 · 8375489 · 33739941640193<14> · 569413262237671<15> · 395899956791067921005824301163988070692468421748818928744972305528613757396282289391957630313326277780223<105>
7·10145+3 =
7(0)1443<146>
= 73 · 28793 · 63545947 · 288853667 · 53326121669<11> · 1531658044549<13> · 54389898345654421049856493544427544048520119<44> · 408415728230237921555405467245794348472339374239159426157<57> (Robert Backstrom / GGNFS-0.77.1-20051202-athlon / 5.98 hours on Cygwin on AMD 64 3400+ / Aug 1, 2007)
7·10146+3 =
7(0)1453<147>
= 192 · 37 · 169712311 · 3349398401<10> · 14528779333859387<17> · 40425209585153273<17> · 6931357162131060176383<22> · 22646926584951101608994646259410863938176211823391717360977422701943133<71>
7·10147+3 =
7(0)1463<148>
= 31 · 151451 · 7030015143559119037524563<25> · 49184959607580348859573544470471<32> · 4311968914702968224249026994416631354378899830941813009414303440243079537179314918331<85> (Sinkiti Sibata / GGNFS-0.77.1-20060722-pentium4 / 22.87 hours on Pentium 4 2.4GHz, Windows XP and Cygwin / Aug 4, 2007)
7·10148+3 =
7(0)1473<149>
= 541 · 94793 · 1248139200509574640907510234705365019<37> · 668778149760661722591247508440960905084930985277<48> · 1635232116045943944454517876533152037422559560020696414537<58> (Robert Backstrom / GGNFS-0.77.1-20060513-athlon-xp / 16.09 hours on Cygwin on AMD 64 3200+ / Aug 3, 2007)
7·10149+3 =
7(0)1483<150>
= 37 · 63947237308808935504223147<26> · 54332487637857980982276524557<29> · 5445213838251929415449467996756948545942266302151184463631784484692515847069284337985563870761<94>
7·10150+3 =
7(0)1493<151>
= 71 · 89 · 191 · 5813 · 69387272384806722377<20> · 2860432727051506986615284475786112947115219635815431<52> · 5026948551624322877511681422548970043126094617265313823362275760438297<70> (Robert Backstrom / GGNFS-0.77.1-20060513-athlon-xp / 14.95 hours on Cygwin on AMD 64 3200+ / Aug 4, 2007)
7·10151+3 =
7(0)1503<152>
= 149 · 307 · 11981 · 127726298919576192535338258643102254447088972860739726166821388527083366333095265501218077359268550022936632594624208454808418279061720345556641<144>
7·10152+3 =
7(0)1513<153>
= 37 · 505533211217<12> · 710664466259752258736962985632455239789<39> · 52660141650353797139373582732951853429418586057828085008415146466989469864283870303119649117935460563<101> (Robert Backstrom / GGNFS-0.77.1-20051202-athlon / 26.23 hours on Cygwin on AMD XP 2700+ / Aug 4, 2007)
7·10153+3 =
7(0)1523<154>
= 73 · 131 · 23323831 · 1846251383033<13> · 2379079812909254428043276041211980572721289410506055623377<58> · 7145031581347695270977233930386125972534532154126683920313280001705450711<73> (Jo Yeong Uk / GGNFS-0.77.1-20050930-nocona snfs / 20.08 hours on Core 2 Quad Q6600 / Sep 16, 2007)
7·10154+3 =
7(0)1533<155>
= 17 · 4117647058823529411764705882352941176470588235294117647058823529411764705882352941176470588235294117647058823529411764705882352941176470588235294117647059<154>
7·10155+3 =
7(0)1543<156>
= 37 · 127 · 1395743 · 1451893 · 73511032921154680604594264467842920178089437517714336009825825227286341895956234800313017246479287345052633467857176570653818464129845658603<140>
7·10156+3 =
7(0)1553<157>
= 131869366750590330739<21> · 1122763019112328991917896688146547<34> · 47278753694379635584088304024046021007264290269515393607169408994420953596008025338686045504887530367691<104> (Robert Backstrom / GGNFS-0.77.1-20051202-athlon snfs / 48.61 hours on Cygwin on AMD XP 2700+ / Aug 19, 2007)
7·10157+3 =
7(0)1563<158>
= 229 · 20670690483852242291<20> · 289487332555897025292304347439098723403965940378647989<54> · 51083189905954193522289990799875185494212136099456609629347350039925026063426710793<83> (Robert Backstrom / GGNFS-0.77.1-20060513-athlon-xp snfs / 31.10 hours on Cygwin on AMD 64 3200+ / Aug 18, 2007)
7·10158+3 =
7(0)1573<159>
= 37 · 4683555637807654711165402911872475397796795663167619<52> · 4039435074966837668459019948543510692643700803297645131234240674842966427190365006893589626840507633222701<106> (Robert Backstrom / GGNFS-0.77.1-20051202-athlon / 38.49 hours on Cygwin on AMD 64 3200+ / Aug 3, 2007)
7·10159+3 =
7(0)1583<160>
= 8783 · 18936371 · 624258449 · 393743988174089796031<21> · 171230071767870652328330714497671132372228899480755443469714202635512070786758135435071643752357635763404000992608964209<120>
7·10160+3 =
7(0)1593<161>
= 599 · 3575471 · 32684207402663970868259644290514942764613639197537545293383575416020385297041237051417593707790286764274014796912972315179700744228133911207614045346907<152>
7·10161+3 =
7(0)1603<162>
= 29 · 37 · 73 · 1403225401<10> · 3753845625711756879793515975255349607797<40> · 1696569329960212414283207012646965391569808922194244639849139334297461697448507406571284397297756255793527431<109> (Robert Backstrom / GGNFS-0.77.1-20051202-athlon snfs / 52.92 hours on Cygwin on AMD 64 3400+ / Aug 12, 2007)
7·10162+3 =
7(0)1613<163>
= 31 · 593 · 5407 · 11863 · 760434737 · 152542129822030128211<21> · 442825008495119170811915908973911<33> · 115570464819492499800637613712265721541579149801960067104596793688468703483720951765048513<90> (Makoto Kamada / GMP-ECM 6.1.2 B1=250000, sigma=1888950106 for P33 / Jul 26, 2007)
7·10163+3 =
7(0)1623<164>
= definitely prime number
7·10164+3 =
7(0)1633<165>
= 19 · 23 · 37 · 337 · 929 · 269413 · 347533 · 3469921837<10> · 10858699084919331104580583379<29> · 329805675824054241199035943707983<33> · 118849963103897079083614037915925391439183742364207872856583449031842800979<75> (Sinkiti Sibata / GGNFS-0.77.1-20060722-pentium4 gnfs for P33 x P75 / 19.99 hours on Pentium 4 2.4GHz, Windows XP and Cygwin / Aug 5, 2007)
7·10165+3 =
7(0)1643<166>
= 152833588533830632515504625196129899<36> · 2783607568442084600657258901797095301845534239737<49> · 16453989692271955709439095429034688807841041398306296314589415102129894839413356881<83> (Robert Backstrom / GGNFS-0.77.1-20051202-athlon / 52.97 hours on Cygwin on AMD 64 3400+ / Aug 3, 2007)
7·10166+3 =
7(0)1653<167>
= 193428159165995799552166817<27> · 361891465554027926328212109315492958100997206097379289106276719937497238193433484091111073933052484219352678045229183201550946673080791943459<141>
7·10167+3 =
7(0)1663<168>
= 37 · 2003 · 1538111 · 6140838679507652677023566807863570764672268917609820631428822778337092182987741633764651826741137994401508805797026063220904931764487509670939380900542930243<157>
7·10168+3 =
7(0)1673<169>
= 341870677521159820404771314461<30> · [20475578808793101098067109352302136241947465332363736170498450833112663592480281217974216315890803341249803045346825107415291040669074603423<140>] (Makoto Kamada / GMP-ECM 6.1.2 B1=250000, sigma=576124639 for P30 / Jul 26, 2007) SUBMIT/RESERVE
7·10169+3 =
7(0)1683<170>
= 61 · 73 · 1670391467493499<16> · 32397946134897073854757<23> · 5175216009374760485968852867656086119<37> · 56128200837449627643617345573916608964872045642509134587009683630669439311948801876882681303<92> (Robert Backstrom / GMP-ECM 6.1.3 B1=928000, sigma=3134470293 for P37 / Feb 13, 2008)
7·10170+3 =
7(0)1693<171>
= 17 · 37 · 1112877583465818759936406995230524642289348171701112877583465818759936406995230524642289348171701112877583465818759936406995230524642289348171701112877583465818759936407<169>
7·10171+3 =
7(0)1703<172>
= 193663 · 1870021 · 5209480256572103393851<22> · [3710312630994794641105126501206381526091747729020560266427319100310922347391243101537035401634082509899448410498434916083412947305423807611<139>] SUBMIT/RESERVE
7·10172+3 =
7(0)1713<173>
= 139 · 263 · 459678549047<12> · 4165558648519257075398117430852608235410611617423563142333471512657588671663996081120942357921298500901612797688759830352823967751034362974023084396051713257<157>
7·10173+3 =
7(0)1723<174>
= 37 · 4830247 · 253488539 · 22348446469487<14> · [691387159016913058622935613250685456926825485030218389749462169026394567500966819455870114279646650276021876516864242700408272469813878832883389<144>] SUBMIT/RESERVE
7·10174+3 =
7(0)1733<175>
= 16017107 · 2323972359634351<16> · 188054185866772671191665178569550149161634714942182327136840192042382849382646036456931740746618529402699948626694851557946812398235380579618455184534079<153>
7·10175+3 =
7(0)1743<176>
= 113 · 487 · 8389 · 15382421157285425929466447017738051797673565880227<50> · 9857249360937578381060501178705637693417639727420036892990380567114305681621039301876173072701917734426786021572283771<118> (matsui / GGNFS-0.77.1-20060513-prescott snfs / Apr 5, 2008)
7·10176+3 =
7(0)1753<177>
= 37 · 2207 · 1053449 · 8137302623761235010855796584072911389981801056482462568600813832297176194646605842923648629769815943571734807927098580864348762769799419000175401545881957225189263633<166>
7·10177+3 =
7(0)1763<178>
= 31 · 73 · 10141 · 13509889 · 363118907 · 62177328753972491311278652488762682241014806732595811306775457447049246828632191347968703892951988821296429153836011601282263722375529794517406379941778267<155>
7·10178+3 =
7(0)1773<179>
= 2141 · 158029 · 7746367 · 213244001 · 137059505906208078071<21> · 913819724245006394544594778433113056501017933605219958402243098887544337692518145201410568436095032975372322460006341093414531578797411<135>
7·10179+3 =
7(0)1783<180>
= 37 · 104947 · 224351 · 117100092960585003361<21> · [6861847122632973914379472012758459686732244728294442375722973505282513400916058793709564193945386621827810375796633922030118997100245586561698507107<148>] SUBMIT/RESERVE
7·10180+3 =
7(0)1793<181>
= 1661635052382325894228860798388965059<37> · [4212718063430313817949556918391010227926614475612398920219025346271127082558521092818662843579474726787185571200372160360259201106912513664366017<145>] (Jo Yeong Uk / GMP-ECM 6.1.2 B1=3000000, sigma=1692799595 for P37 / Aug 3, 2007) SUBMIT/RESERVE
7·10181+3 =
7(0)1803<182>
= 1307951 · 163667033636679029<18> · [326998194399748176441609858419080681045982355899322450312083578721962978687367437656996085017149435322203657523434318188882834784965537082167543672801977676057<159>] SUBMIT/RESERVE
7·10182+3 =
7(0)1813<183>
= 19 · 37 · 5796213552807101290302139288236547086048674920761890437988566399723613188147<76> · 171790180884158531835765998721853676674416631560705620499042258287282118632167531441001689658431400392783<105> (Sinkiti Sibata / GGNFS-0.77.1-20060513-k8 snfs / 549.90 hours on Core 2 Duo E6300 1.86GHz, Windows Vista / Jun 24, 2008)
7·10183+3 =
7(0)1823<184>
= 2521 · 40903 · 31573785372835301<17> · [2150024355779666337892169253743610067474396939372976006637034637667574578846555961184807896703068981762235863613875851054165261451557337238686025205387175026281<160>] SUBMIT/RESERVE
7·10184+3 =
7(0)1833<185>
= 3163 · 409753 · 852368918477<12> · 477967106515971827982803<24> · [132571781276242613582924893974195017823570621394920024816982011061082992933784678263182673833598703821031344729949834888220892770899346132967<141>] SUBMIT/RESERVE
7·10185+3 =
7(0)1843<186>
= 37 · 71 · 732 · 1213 · 1744828062310637<16> · 23625380330382524612684685202352518907464561821199107262513207110669840793252362550376852716738561590930610276053909409965948177519959225214760946180826955554361<161>
7·10186+3 =
7(0)1853<187>
= 17 · 23 · 6217 · 85947685102648127667543837824599<32> · [33504738391487228749747446501773612093806339087076250696339848800027312314168629811645372145705956250463561211796008719270845701080544205217255359051<149>] (Makoto Kamada / GMP-ECM 6.1.2 B1=250000, sigma=4149229516 for P32 / Jul 28, 2007) SUBMIT/RESERVE
7·10187+3 =
7(0)1863<188>
= 47 · 1489361702127659574468085106382978723404255319148936170212765957446808510638297872340425531914893617021276595744680851063829787234042553191489361702127659574468085106382978723404255319149<187>
7·10188+3 =
7(0)1873<189>
= 37 · 600857 · 1633493778036774146509<22> · 19275591161847456977382152268219000035295474874561534384065003675184236533160199164688668964937134309986923842085310707943683849107032856099959039706464533265563<161>
7·10189+3 =
7(0)1883<190>
= 29 · 97 · 521 · 2150831 · 381070380281561<15> · 5827457351737515133463848205355341524045172428171606098486674404198650493744698885448251395120248677164107420640249760839439762664576620002182162626895515787579921<163>
7·10190+3 =
7(0)1893<191>
= 1801 · 264487 · 146953521143558208322264671659532909450660089710044264982751739826298040924611653329833376309190813094819175235244823632020640705301997180016511991542732487403506303037008436771695069<183>
7·10191+3 =
7(0)1903<192>
= 37 · 59 · 363924621565554504860719<24> · 881115548912592343224292572074541633209126916238065998273586054071179410214022514269555239761075788512145136165749616828837042321163829129116899178942091854903314539<165>
7·10192+3 =
7(0)1913<193>
= 31 · 1105109 · 1243211 · 4470822866051487481<19> · 5290673163123042490177645270463<31> · 360922089125386739265100361213804922199<39> · 19251941213231301805507821363673906075280686340797762406923312617295075302212157369103874171<92> (Makoto Kamada / GMP-ECM 6.1.2 B1=250000, sigma=2554121386 for P31 / Jul 28, 2007) (Robert Backstrom / GMP-ECM 6.1.3 B1=2148000, sigma=1344192446 for P39 / Feb 1, 2008)
7·10193+3 =
7(0)1923<194>
= 73 · 958904109589041095890410958904109589041095890410958904109589041095890410958904109589041095890410958904109589041095890410958904109589041095890410958904109589041095890410958904109589041095890411<192>
7·10194+3 =
7(0)1933<195>
= 37 · 89 · [212572122684482235044032796841785605830549650774369875493470999088976617066504706954145156392347403583358639538414819313695718190100212572122684482235044032796841785605830549650774369875493471<192>] SUBMIT/RESERVE
7·10195+3 =
7(0)1943<196>
= 10853 · 1155441953<10> · 82157819227893172508801401<26> · [6794401418249220564470302772715475023213633607997441631965102666715002834175385614573567133933861717994501840072302208696048566059616014946241190422937491167<157>] SUBMIT/RESERVE
7·10196+3 =
7(0)1953<197>
= 107 · 277 · 2713 · [870531918755444788521494434185778500590102497298646184824845309276175467746437979258134439900447462111559486175747933354115832007088318584636477125461818737421046952176346585718473683453229<189>] SUBMIT/RESERVE
7·10197+3 =
7(0)1963<198>
= 37 · 127 · 255202990243<12> · [583723040868188398708597090156241795531993542291926409332571092713616810806791118215733781720504096037754967368622540416612763148781932602531673090118185678243217961071094830531676979<183>] SUBMIT/RESERVE
7·10198+3 =
7(0)1973<199>
= 4151954057<10> · 117871039717<12> · [14303370437529736035776509021020367994977563743718072242830294592017946229786059564291921595196918594785013092205330293250436877969336545570611980419433044939382199912869165524687<179>] SUBMIT/RESERVE
7·10199+3 =
7(0)1983<200>
= 3047419399<10> · 9072288419<10> · 544255039845653<15> · 4652072821357268342311218558927049396924163868683228412322637831718777440707373836111117710106437614781578074110125746615301630792884176539792449566529213758644818171<166>
7·10200+3 =
7(0)1993<201>
= 19 · 37 · 7501217 · 20402275557381199<17> · 116942959866455304271567<24> · 30140964087251698621351505100337<32> · 1845870187280936627842607751822820884327424820308665648049783479624333044500932291554887245148311810314856011773399314893<121> (Makoto Kamada / GMP-ECM 6.1.2 B1=250000, sigma=721870745 for P32 / Jul 30, 2007)

Factorizations