Factorizations of 99...99499...99

Table of contents

1. About 99...99499...99
   • First ten terms
   • General term
2. Prime numbers of the form 99...99499...99
   • Last update
   • Searched up to
   • Results
   • History
3. Factorizations of 99...99499...99
   • Last update
   • Completed up to
   • Range
   • Terms which have not been factored yet
   • Results
4. References

1. About 99...99499...99

First ten terms

949, 99499, 9994999, 999949999, 99999499999, 9999994999999, 999999949999999, 99999999499999999, 9999999994999999999, 999999999949999999999

General term

10²ⁿ⁺¹-5·10ⁿ-1

2. Prime numbers of the form 99...99499...99

Last update

Feb 19, 2012

Searched up to

n≤68000

Results

1. 10²⁹-5·10¹⁴-1 = (9)₁₄4(9)_14<29> is prime.
2. 10⁴⁵-5·10²²-1 = (9)₂₂4(9)_22<45> is prime.
3. 10⁷³-5·10³⁶-1 = (9)₃₆4(9)_36<73> is prime.
4. 10²⁰⁹-5·10¹⁰⁴-1 = (9)₁₀₄4(9)_104<209> is prime. (Patrick De Geest / Sep 23, 2002)
5. 10²²⁷³-5·10¹¹³⁶-1 = (9)₁₁₃₆4(9)_1136<2273> is prime. (Jeff Heleen / Oct 13, 2002)
6. 10³⁵⁷²⁹-5·10¹⁷⁸⁶⁴-1 = (9)₁₇₈₆₄4(9)_17864<35729> is prime. (Daniel Heuer / Jul 2, 2001)
7. 10⁵⁰⁸⁹⁷-5·10²⁵⁴⁴⁸-1 = (9)₂₅₄₄₈4(9)_25448<50897> is prime. (Daniel Heuer / Oct 29, 2001)

History

1. Searched up to n≤68000

3. Factorizations of 99...99499...99

Last update

Apr 24, 2012

Completed up to

• n≤50 / Aug 3, 2004
• n≤75 / Sep 26, 2005

Range

n≤150

Terms which have not been factored yet

n=100, 106, 107, 109, 110, 111, 113, 114, 119, 120, 123, 124, 126, 127, 133, 134, 135, 137, 139, 140, 142, 143, 144, 145, 146, 147, 148, 149, 150 (29/150)

Results

10³-5·10¹-1 =

949

= 13 · 73

10⁵-5·10²-1 =

99499

= 29 · 47 · 73

10⁷-5·10³-1 =

9994999

= 7 · 307 · 4651

10⁹-5·10⁴-1 =

999949999

= 30109 · 33211

10¹¹-5·10⁵-1 =

99999499999_<11>

= 7 · 83 · 172116179

10¹³-5·10⁶-1 =

9999994999999_<13>

= 48109 · 207861211

10¹⁵-5·10⁷-1 =

999999949999999_<15>

= 13 · 7963 · 9660061921_<10>

10¹⁷-5·10⁸-1 =

99999999499999999_<17>

= 8956609 · 11164939711_<11>

10¹⁹-5·10⁹-1 =

9999999994999999999_<19>

= 7 · 73² · 1913 · 140133274241_<12>

10²¹-5·10¹⁰-1 =

999999999949999999999_<21>

= 73 · 13698630136301369863_<20>

10²³-5·10¹¹-1 =

99999999999499999999999_<23>

= 7 · 29 · 877321 · 561494410182773_<15>

10²⁵-5·10¹²-1 =

9999999999994999999999999_<25>

= 2341 · 22072039477_<11> · 193533487207_<12>

10²⁷-5·10¹³-1 =

999999999999949999999999999_<27>

= 13 · 98459 · 781270142120812489697_<21>

10²⁹-5·10¹⁴-1 =

99999999999999499999999999999_<29>

= definitely prime number

10³¹-5·10¹⁵-1 =

9999999999999994999999999999999_<31>

= 7 · 133187 · 393257 · 27274931056435128523_<20>

10³³-5·10¹⁶-1 =

999999999999999949999999999999999_<33>

= 269 · 3717472118959107620817843866171_<31>

10³⁵-5·10¹⁷-1 =

99999999999999999499999999999999999_<35>

= 7 · 73 · 1877 · 6156901 · 23079316361_<11> · 733718917297_<12>

10³⁷-5·10¹⁸-1 =

9999999999999999994999999999999999999_<37>

= 73 · 97 · 1171 · 50377 · 219217 · 109204863203521929061_<21>

10³⁹-5·10¹⁹-1 =

999999999999999999949999999999999999999_<39>

= 13 · 13239539239733899_<17> · 5810102264905028303377_<22>

10⁴¹-5·10²⁰-1 =

99999999999999999999499999999999999999999_<41>

= 47 · 163 · 419 · 3323 · 29996257033_<11> · 312538200345577394579_<21>

10⁴³-5·10²¹-1 =

9999999999999999999994999999999999999999999_<43>

= 7 · 22997475217_<11> · 62118620200334514461055724804921_<32>

10⁴⁵-5·10²²-1 =

999999999999999999999949999999999999999999999_<45>

= definitely prime number

10⁴⁷-5·10²³-1 =

99999999999999999999999499999999999999999999999_<47>

= 7² · 7459 · 40177 · 482281237441_<12> · 14120349335323832944493077_<26>

10⁴⁹-5·10²⁴-1 =

9999999999999999999999994999999999999999999999999_<49>

= 25801 · 976380407 · 2302520591101_<13> · 172401437490400765009157_<24>

10⁵¹-5·10²⁵-1 =

999999999999999999999999949999999999999999999999999_<51>

= 13 · 67 · 73 · 1787 · 127235302477924244063_<21> · 69171438235751571811213_<23>

10⁵³-5·10²⁶-1 =

99999999999999999999999999499999999999999999999999999_<53>

= 73 · 852652992145636311554731_<24> · 1606589112238349389966039573_<28>

10⁵⁵-5·10²⁷-1 =

9999999999999999999999999994999999999999999999999999999_<55>

= 7 · 2131 · 1872582196826688353_<19> · 357995543329132365872773576271699_<33>

10⁵⁷-5·10²⁸-1 =

999999999999999999999999999949999999999999999999999999999_<57>

= 3404730839554091347889762281_<28> · 293708973520787144658793555879_<30>

10⁵⁹-5·10²⁹-1 =

99999999999999999999999999999499999999999999999999999999999_<59>

= 7 · 97 · 317 · 17211022013688365887_<20> · 26993817253793992967719610044427939_<35>

10⁶¹-5·10³⁰-1 =

9999999999999999999999999999994999999999999999999999999999999_<61>

= 29 · 2017 · 306731299709_<12> · 8999137581647_<13> · 278587252596073_<15> · 222318640049427617_<18>

10⁶³-5·10³¹-1 =

999999999999999999999999999999949999999999999999999999999999999_<63>

= 13 · 179 · 1239643 · 193525564942277550190007_<24> · 1791301297217519873468303098237_<31>

10⁶⁵-5·10³²-1 =

99999999999999999999999999999999499999999999999999999999999999999_<65>

= 28181 · 144307 · 287223900610919_<15> · 4686750558921377_<16> · 18266855200714892105010119_<26>

10⁶⁷-5·10³³-1 =

9999999999999999999999999999999994999999999999999999999999999999999_<67>

= 7 · 73 · 178439 · 456203021 · 1325485186171_<13> · 340948627029706849_<18> · 531945743351557069609_<21>

10⁶⁹-5·10³⁴-1 =

999999999999999999999999999999999949999999999999999999999999999999999_<69>

= 73 · 482513 · 1034027 · 113837077763_<12> · 42783529213250537213_<20> · 5637361650656357833904227_<25>

10⁷¹-5·10³⁵-1 =

99999999999999999999999999999999999499999999999999999999999999999999999_<71>

= 7 · 61² · 719 · 22713308591_<11> · 8469160191241_<13> · 27758286293920173239480832056163894738553_<41>

10⁷³-5·10³⁶-1 =

9999999999999999999999999999999999994999999999999999999999999999999999999_<73>

= definitely prime number

10⁷⁵-5·10³⁷-1 =

999999999999999999999999999999999999949999999999999999999999999999999999999_<75>

= 13 · 199 · 2953 · 3583 · 36533671226136873562261962807823744276645706145142000100465915323_<65>

10⁷⁷-5·10³⁸-1 =

99999999999999999999999999999999999999499999999999999999999999999999999999999_<77>

= 2609 · 15149 · 11272583863_<11> · 1087839905797_<13> · 206325779304608070973258023209704093143478649449_<48>

10⁷⁹-5·10³⁹-1 =

9999999999999999999999999999999999999994999999999999999999999999999999999999999_<79>

= 7² · 29 · 340094622883214671_<18> · 89250497908187067885187373_<26> · 231843812022208525224137871025993_<33>

10⁸¹-5·10⁴⁰-1 =

999999999999999999999999999999999999999949999999999999999999999999999999999999999_<81>

= 4229 · 52597673 · 10249000651663_<14> · 81931002008498759_<17> · 5353847507331679718627203983754502271491_<40>

10⁸³-5·10⁴¹-1 =

99999999999999999999999999999999999999999499999999999999999999999999999999999999999_<83>

= 7 · 73 · 266239 · 735033996682159443736267773296610348827358735672138497398960922130726252031_<75>

10⁸⁵-5·10⁴²-1 =

9999999999999999999999999999999999999999994999999999999999999999999999999999999999999_<85>

= 73 · 389 · 1109 · 1291 · 48259 · 436132348572881_<15> · 1543505227485072799_<19> · 7571205374825151755066433676233596033_<37>

10⁸⁷-5·10⁴³-1 =

999999999999999999999999999999999999999999949999999999999999999999999999999999999999999_<87>

= 13 · 84533810727393720761_<20> · 14130473765000206235844997_<26> · 64397569651470927192571654520543136580919_<41>

10⁸⁹-5·10⁴⁴-1 =

99999999999999999999999999999999999999999999499999999999999999999999999999999999999999999_<89>

= 354037 · 282456353431985922375344949821628812807700888607687897027711792835212138844245093027_<84>

10⁹¹-5·10⁴⁵-1 =

9999999999999999999999999999999999999999999994999999999999999999999999999999999999999999999_<91>

= 7 · 14436181031_<11> · 32266288409_<11> · 6727855881284073515673536775054251_<34> · 455852088953288354385781243603265333_<36>

10⁹³-5·10⁴⁶-1 =

999999999999999999999999999999999999999999999949999999999999999999999999999999999999999999999_<93>

= 83 · 11783 · 4575799569961_<13> · 81972002618942963157750810637_<29> · 2726047955744136809720687062402830504300514663_<46>

10⁹⁵-5·10⁴⁷-1 =

99999999999999999999999999999999999999999999999499999999999999999999999999999999999999999999999_<95>

= 7 · 794119 · 13537233152295961_<17> · 77743797612443513_<17> · 17093095260501667738725757062563476151646267266405763071_<56>

10⁹⁷-5·10⁴⁸-1 =

9999999999999999999999999999999999999999999999994999999999999999999999999999999999999999999999999_<97>

= 47 · 611476932635213_<15> · 347954184518253403593489235802593537531879891529468508597556002417980499277345909_<81>

10⁹⁹-5·10⁴⁹-1 =

999999999999999999999999999999999999999999999999949999999999999999999999999999999999999999999999999_<99>

= 13 · 73 · 15889 · 66318886007185916574422622804504988871359333564163953284711420994211621310406806015467819059_<92>

10¹⁰¹-5·10⁵⁰-1 =

(9)₅₀4(9)_50<101>

= 73 · 1369863013698630136986301369863013698630136986301363013698630136986301369863013698630136986301369863_<100>

10¹⁰³-5·10⁵¹-1 =

(9)₅₁4(9)_51<103>

= 7 · 94677613487661089747353_<23> · 71269943060057227761238102966919925787_<38> · 211713350845509700316662285486233591892387_<42> (Makoto Kamada / msieve 0.88)

10¹⁰⁵-5·10⁵²-1 =

(9)₅₂4(9)_52<105>

= 17977 · 76296532761998391957077_<23> · 67568759393935788396520294335743_<32> · 10790263100751394184921067728683591121445228517_<47> (Makoto Kamada / msieve 0.88 / 13 minutes)

10¹⁰⁷-5·10⁵³-1 =

(9)₅₃4(9)_53<107>

= 7 · 191 · 3691 · 2196600844153716033361_<22> · 69822974648095467867384822091_<29> · 132121974192898635000693635977899135467129312194847_<51>

10¹⁰⁹-5·10⁵⁴-1 =

(9)₅₄4(9)_54<109>

= 61 · 2886557 · 123548692649705108867369047_<27> · 459676045988134598841901403865169123469696182453617425910704733986220806321_<75>

10¹¹¹-5·10⁵⁵-1 =

(9)₅₅4(9)_55<111>

= 13 · 76923076923076923076923076923076923076923076923076923073076923076923076923076923076923076923076923076923076923_<110>

10¹¹³-5·10⁵⁶-1 =

(9)₅₆4(9)_56<113>

= 58207 · 637053467 · 38613981283_<11> · 192805168162571930340967679_<27> · 362231027180937258755991397381297488820571071563655831949356303_<63>

10¹¹⁵-5·10⁵⁷-1 =

(9)₅₇4(9)_57<115>

= 7 · 73 · 179 · 487 · 12269 · 561378329685167_<15> · 2355987824090587_<16> · 5198813831459935688390319272941_<31> · 2661061978958705483136906369853516795231313_<43> (Makoto Kamada / msieve 0.88 / 3.8 minutes)

10¹¹⁷-5·10⁵⁸-1 =

(9)₅₈4(9)_58<117>

= 29 · 67 · 73 · 1091 · 98407050041_<11> · 2990795615219_<13> · 21956678375774763943507732736494249805763129729735373021234563979202159132401812576769_<86>

10¹¹⁹-5·10⁵⁹-1 =

(9)₅₉4(9)_59<119>

= 7 · 3869743 · 2433114977184083421515578291_<28> · 31856661382193055759391714907693_<32> · 47627407843568202553750431024175318259489165660722673_<53> (Makoto Kamada / msieve 0.88 for P32 x P53 / May 14, 2005)

10¹²¹-5·10⁶⁰-1 =

(9)₆₀4(9)_60<121>

= 165149106706211_<15> · 27611806515679263468269678707072310135743844147387_<50> · 2192951110112010923330726818171905685664179773222579832207_<58> (Kenichiro Yamaguchi / GGNFS-0.77.0 / 3.35 hours on Pentium 4 2.4BGHz / Jun 1, 2005)

10¹²³-5·10⁶¹-1 =

(9)₆₁4(9)_61<123>

= 13 · 1501496951535744377_<19> · 51230924474671306449496909813914846348057673568519980025511866368154068911967420164056013166681080066899_<104>

10¹²⁵-5·10⁶²-1 =

(9)₆₂4(9)_62<125>

= 1559 · 13063 · 13470606010794028627413277182587_<32> · 364522066719977324206584098453136145655901219209892192548908624460176317930811233012781_<87> (Makoto Kamada / GMP-ECM 6.0 B1=3000000, sigma=4018826674 for P32 / May 7, 2005)

10¹²⁷-5·10⁶³-1 =

(9)₆₃4(9)_63<127>

= 7 · 70145326613_<11> · 75696543614080484504716919314397_<32> · 269046389681757996273662117203132637492382734106421397965951960948824725296394410537_<84> (Makoto Kamada / GMP-ECM 6.0 B1=3000000, sigma=1156737498 for P32 / May 8, 2005)

10¹²⁹-5·10⁶⁴-1 =

(9)₆₄4(9)_64<129>

= 43499 · 2294077 · 4370312208203526199_<19> · 2292980032032098110814478639056559014096341426507710343582937375201191240183016690243284145196522887_<100>

10¹³¹-5·10⁶⁵-1 =

(9)₆₅4(9)_65<131>

= 7² · 73 · 1560457 · 68144661076921193_<17> · 262904135862192854578920499183594181666955863150775846848994582475519423179025020205417250611670306282087_<105>

10¹³³-5·10⁶⁶-1 =

(9)₆₆4(9)_66<133>

= 47 · 73 · 829 · 6761 · 50506030969_<11> · 131323299422472148930024532895341746762555988587153_<51> · 78402297452355609333372855409892683866758653385085863058626413_<62> (Kenichiro Yamaguchi / GGNFS-0.77.1 / 18.98 hours on Pentium 4 2.4BGHz / Jun 18, 2005)

10¹³⁵-5·10⁶⁷-1 =

(9)₆₇4(9)_67<135>

= 13 · 29 · 1373 · 8933 · 1266483249403_<13> · 3436340835467_<13> · 49692986175320536435189903896666450296818394840550345711371990802826675859541439517584333278186452143_<101>

10¹³⁷-5·10⁶⁸-1 =

(9)₆₈4(9)_68<137>

= 4111 · 480019613 · 2198963711051_<13> · 21130146323149142509_<20> · 1090618785308088765443858022747074445985851349080727378101608203604294493462187899806861402827_<94>

10¹³⁹-5·10⁶⁹-1 =

(9)₆₉4(9)_69<139>

= 7 · 991 · 15621479 · 25218953 · 151297957 · 14062828861246736581_<20> · 157705627562565010111_<21> · 1021498112798088086668342168804543_<34> · 10675508950385419139525256445370382764881_<41> (Makoto Kamada / msieve 0.88 / 4.1 minutes)

10¹⁴¹-5·10⁷⁰-1 =

(9)₇₀4(9)_70<141>

= 94199759 · 45991197802202921691212410956857205150918173681404816125050149_<62> · 230821090102296748368286382776743795682256488181171518047153819469404989_<72> (Kenichiro Yamaguchi / GGNFS-0.77.0 / 49.67 hours on Pentium M 1.3GHz / Jun 15, 2005)

10¹⁴³-5·10⁷¹-1 =

(9)₇₁4(9)_71<143>

= 7 · 829 · 51157 · 4226983455085368113131838522651325280201438948126519944281685689_<64> · 79691465468688137474165323187199380282822368311237342631970794505834321_<71> (Sinkiti Sibata / GGNFS-0.77.1 / 29.81 hours / Sep 24, 2005)

10¹⁴⁵-5·10⁷²-1 =

(9)₇₂4(9)_72<145>

= 81839 · 98272507 · 152850960360368016481796770480122031721_<39> · 8134661370956745828048953759976786314450618333909639195969999821733276700744096239942518707403_<94> (Sinkiti Sibata / GGNFS-0.77.1 / 46.05 hours / Sep 26, 2005)

10¹⁴⁷-5·10⁷³-1 =

(9)₇₃4(9)_73<147>

= 13 · 73 · 430384049 · 3785599269557668325208323767_<28> · 646759745389145739294384287863834036907191004239058094454150857219428878001033162701912468496120968325731397_<108>

10¹⁴⁹-5·10⁷⁴-1 =

(9)₇₄4(9)_74<149>

= 73 · 1697 · 4253 · 94379 · 140363 · 419683619 · 7607082794944975537132889579438640845935478194747_<49> · 4487781874349498160146767447626885491119476257355891326606162986068662363_<73> (Sinkiti Sibata / GGNFS-0.77.1 / 67.74 hours / Sep 23, 2005)

10¹⁵¹-5·10⁷⁵-1 =

(9)₇₅4(9)_75<151>

= 7 · 293 · 9539 · 15683 · 54258411269768597_<17> · 427783759648005329_<18> · 3517062300547732144252876581838513053265293857_<46> · 399237126270832542031473445700832275264923599868927241797897_<60> (Sinkiti Sibata / GGNFS-0.77.1 gnfs / 20.20 hours for P46 x P60 / Jun 25, 2005)

10¹⁵³-5·10⁷⁶-1 =

(9)₇₆4(9)_76<153>

= 2509513 · 43274123425841071_<17> · 2114801649031610767_<19> · 455177219870851008756824233_<27> · 9566038214914990066680193053262313222182794864151543092977389638342613775702680521583_<85>

10¹⁵⁵-5·10⁷⁷-1 =

(9)₇₇4(9)_77<155>

= 7 · 3917570149_<10> · 10161271496069642718424131221_<29> · 358869973718752654404185936846953904720909020370723694210934810077754221337388343365581003617143319381152823821544833_<117>

10¹⁵⁷-5·10⁷⁸-1 =

(9)₇₈4(9)_78<157>

= 577 · 45272775806455281933952896737651553289_<38> · 382813340282486531088172386717216740018488071404816437186027921826199386850107261127083318834641847198914704002520583_<117> (Dmitry Domanov / Msieve 1.40 snfs / Feb 17, 2011)

10¹⁵⁹-5·10⁷⁹-1 =

(9)₇₉4(9)_79<159>

= 13 · 106739 · 14857534192507_<14> · 2626765611797539_<16> · 18465686473466410276903870361130860351111919239263035492973634016647918547703273690372186370345904031992110078782530263873609_<125>

10¹⁶¹-5·10⁸⁰-1 =

(9)₈₀4(9)_80<161>

= 5507 · 18158707100054476121300163428363900490285091701470855275104412565825313237697475848919556927546758670782640276012347920828037043762484111131287452333393862357_<158>

10¹⁶³-5·10⁸¹-1 =

(9)₈₁4(9)_81<163>

= 7² · 73 · 188355214391551_<15> · 306253497499490258753878198867053668223628508492981_<51> · 48464345833391783803874543368704688565508708075967998790372018641705757550965295774547884244677_<95> (Sinkiti Sibata / Msieve 1.40 snfs / Feb 18, 2011)

10¹⁶⁵-5·10⁸²-1 =

(9)₈₂4(9)_82<165>

= 73 · 139439 · 1536649 · 5223911989_<10> · 12586886720134902370843_<23> · 131870178594955257437306276375132759_<36> · 7373224087748779991184849451692579658431266927960753896392681141130881987903865811281_<85> (Serge Batalov / GMP-ECM B1=2000000, sigma=1618548819 for P36 / Feb 15, 2011)

10¹⁶⁷-5·10⁸³-1 =

(9)₈₃4(9)_83<167>

= 7 · 8387 · 45187201887649_<14> · 79994803123771_<14> · 419361270997727_<15> · 1123646682049876267224067808715516901685331556014980066498941664374661398625599116450921616136180400540479765625876641767_<121>

10¹⁶⁹-5·10⁸⁴-1 =

(9)₈₄4(9)_84<169>

= 29761 · 221315041 · 1340854568113_<13> · 482881178994827_<15> · 61308578225621963_<17> · 38247085842378671711280627923982417067076531853855227677547877017907923463596655581234322148169151140329088798023_<113>

10¹⁷¹-5·10⁸⁵-1 =

(9)₈₅4(9)_85<171>

= 13 · 112792753 · 345898981 · 22693733390107561469_<20> · 7333376610004568531641601546182858178629037453_<46> · 11847213931064903401742037420878279213240420975977163751550089925407041500062342873486823_<89> (Sinkiti Sibata / Msieve 1.40 snfs / Mar 26, 2011)

10¹⁷³-5·10⁸⁶-1 =

(9)₈₆4(9)_86<173>

= 29 · 3426990157189686264072919_<25> · 1006211195218819846395016884505438000529647361201565035102047998157613731033138454191071989489613701830998373687090785837258865364106967307264367149_<148>

10¹⁷⁵-5·10⁸⁷-1 =

(9)₈₇4(9)_87<175>

= 7 · 83 · 3316661 · 10384673060492961190399_<23> · 499723709759995935719473834221747603268575061459637088689952338007961368110716329404654817689229159505135018073433526380218286801264491313891961_<144>

10¹⁷⁷-5·10⁸⁸-1 =

(9)₈₈4(9)_88<177>

= 1163 · 384766987662664036207_<21> · 403034470498744989017198420079296269_<36> · 5544728558856772659526980526715672796850207579635661712405654249752344958027193172243823558744132193570192182360463231_<118> (Ignacio Santos / GMP-ECM 6.3 B1=3000000, sigma=1781052737 for P36 / Feb 18, 2011)

10¹⁷⁹-5·10⁸⁹-1 =

(9)₈₉4(9)_89<179>

= 7 · 73 · 53490901 · 303344107606184779949_<21> · 12060453078416415243784634714233261847936944163499856827829740860810986566311569303887820834036850935781694272698407688432560496931658736567724154641_<149>

10¹⁸¹-5·10⁹⁰-1 =

(9)₉₀4(9)_90<181>

= 73 · 167 · 11963805217373749299775730148846456183048615858487_<50> · 68563240441306585503263136530124473067201036470137625213694955036028108050672694117589868489745282026746147543725284489375452647_<128> (Wataru Sakai / Sep 3, 2011)

10¹⁸³-5·10⁹¹-1 =

(9)₉₁4(9)_91<183>

= 13 · 67 · 131 · 11722927 · 747608944576169504316528243887705921067560025681533426431887948559138443619773943382841747656152861067765131163777555020283272126040059174184657402654640948558768279255437_<171>

10¹⁸⁵-5·10⁹²-1 =

(9)₉₂4(9)_92<185>

= 32275567129940539182804845653243_<32> · 20012109446617285105127291628477094096046291193932078833714854309577123_<71> · 154822204985665031909000436865814751525686261870466742414287877768693212307219350991_<84> (Serge Batalov / GMP-ECM B1=250000, sigma=1987391156 for P32 / Feb 15, 2011) (Jo Yeong Uk / GGNFS/Msieve v1.39 snfs / Apr 24, 2012)

10¹⁸⁷-5·10⁹³-1 =

(9)₉₃4(9)_93<187>

= 7 · 1335743 · 97940761 · 530493563 · 7610499301353317_<16> · 14152836164578535507_<20> · 191107983798405300648044494310785757785629406623881550438407629086671012558524938776606950585336496193894301164619526224793287747_<129>

10¹⁸⁹-5·10⁹⁴-1 =

(9)₉₄4(9)_94<189>

= 47 · 43889 · 10045223731_<11> · 3635434492091_<13> · 66541208066534827_<17> · 199498593310129139880722472301622716472854674661337831882025584669699250035911867121366538563198232765171637876470678991161046024643457586192259_<144>

10¹⁹¹-5·10⁹⁵-1 =

(9)₉₅4(9)_95<191>

= 7 · 29 · 61 · 6277 · 52548341 · 1080822079_<10> · 57454748509727427689_<20> · 394260123002375217390472588820111946738625080530724061030710288326998702482374519532184154698650634604438444490131223775099662827103330822097031759_<147>

10¹⁹³-5·10⁹⁶-1 =

(9)₉₆4(9)_96<193>

= 37781 · 9202900459854165792437473438032800675041_<40> · 28760857251308155921664617810875141636448143576694878018374242003239234965652392139539396418032818368239058839943875649342576987294061287897458611619_<149> (Kenji Ibusuki / GGNFS-0.77.1-VC8 with factLat.pl (decomposed + modified) snfs / Jun 6, 2011)

10¹⁹⁵-5·10⁹⁷-1 =

(9)₉₇4(9)_97<195>

= 13 · 73 · 1066797728669_<13> · 3398870802405227_<16> · 9379337015969833571_<19> · 2174585851440765118157573_<25> · 14248473845519143378014865227877462382725212659308379974323938198158264055404924645636376338550242609441325178778663603219_<122>

10¹⁹⁷-5·10⁹⁸-1 =

(9)₉₈4(9)_98<197>

= 73 · 6379 · 186889 · 1742101 · 9066139 · 35893747 · 5655829101810464981_<19> · 358368656565360025075914398497787822793153711076386770629266029010893465939473984874972081097361362628952500065003732201503048978927155428585104501_<147>

10¹⁹⁹-5·10⁹⁹-1 =

(9)₉₉4(9)_99<199>

= 7 · 3838981 · 138432171678904373321_<21> · 74238246170605100499591201206132768084130786653_<47> · 897658871813847986886377309489334093774182248484604281189093_<60> · 40337588788732092015071718788016948003539847063992270376502557533_<65> (Jo Yeong Uk / GMP-ECM 6.3 B1=3000000, sigma=7149967077 for P47 / Apr 16, 2012) (Warut Roonguthai / Msieve 1.49 gnfs for P60 x P65 / Apr 21, 2012)

10²⁰¹-5·10¹⁰⁰-1 =

(9)₁₀₀4(9)_100<201>

= 9787583692868854482287_<22> · 4627646415829728241626312770642549_<34> · [22078234552868937471909132495960197330044222611343327150863804913293972848720952029860910669777735726033068826733861319399881387833051543071071373_<146>] (Serge Batalov / GMP-ECM B1=250000, sigma=3222244761 for P34 / Feb 15, 2011) SUBMIT/RESERVE

10²⁰³-5·10¹⁰¹-1 =

(9)₁₀₁4(9)_101<203>

= 7 · 163 · 28277 · 8158229 · 379913854987302171292091170363870713738773952362389712131824029610792118912369588763280633453307894690104456759114109665183495110691359435608856977442617350764384966737788294623550131520283_<189>

10²⁰⁵-5·10¹⁰²-1 =

(9)₁₀₂4(9)_102<205>

= 197933 · 50522146382866929718642166793814068396881773125249453097765405465485795698544456962709603754805919174644955616294402651402242172856471634340913339362309468355453613091298570728478828694558259613101403_<200>

10²⁰⁷-5·10¹⁰³-1 =

(9)₁₀₃4(9)_103<207>

= 13 · 131 · 77137 · 4571583589462441311423261827_<28> · 4443830583614597428120705183589_<31> · 6554279759009679447210495958919_<31> · 5088026524064685939759188615682822547_<37> · 11236320227712343170813854237842051239219707078308142717704805725442773771_<74> (Makoto Kamada / GMP-ECM 6.3 B1=1e6, sigma=80643606 for P31(6554...) / Nov 30, 2011) (Warut Roonguthai / GMP-ECM 6.3 B1=1000000, sigma=3318955788 for P31(4443...), Msieve 1.48 gnfs for P37 x P74 / Dec 5, 2011)

10²⁰⁹-5·10¹⁰⁴-1 =

(9)₁₀₄4(9)_104<209>

= definitely prime number

10²¹¹-5·10¹⁰⁵-1 =

(9)₁₀₅4(9)_105<211>

= 7 · 73 · 7027 · 16564991262373_<14> · 168119440183378896965068175623961929908558795814962181269910059207996165845500960741995386380812329418717388112758079872424668423769939351864402937224259251996000175501873450850742547584134879_<192>

10²¹³-5·10¹⁰⁶-1 =

(9)₁₀₆4(9)_106<213>

= 73 · [13698630136986301369863013698630136986301369863013698630136986301369863013698630136986301369863013698630136301369863013698630136986301369863013698630136986301369863013698630136986301369863013698630136986301369863_<212>] SUBMIT/RESERVE

10²¹⁵-5·10¹⁰⁷-1 =

(9)₁₀₇4(9)_107<215>

= 7² · 227 · 1217 · 260510477 · 326883275911_<12> · 313739024481320071_<18> · [276503763546649555000915492104625520019474445031164661651292922607084765856608250134889239503733667640129364319612345471160971820740649143504498302101431392799851164976297_<171>] SUBMIT/RESERVE

10²¹⁷-5·10¹⁰⁸-1 =

(9)₁₀₈4(9)_108<217>

= 317 · 498493 · 1191941 · 14399747227363238161262581_<26> · 3686990734970316267266601185103339642522764782751480665654297596660317603428676416993391236139086210060048572509783263118174076396598142202464835620098214858668051140655725683599_<178>

10²¹⁹-5·10¹⁰⁹-1 =

(9)₁₀₉4(9)_109<219>

= 13 · 2273 · 1022927304639631_<16> · [33083575579147082195107637600422013072355901065376113179194204446635012187993848965347951563444635222997217486804165933803020365524909571114223620699338973230800457150642473138967469907955934681120821_<200>] SUBMIT/RESERVE

10²²¹-5·10¹¹⁰-1 =

(9)₁₁₀4(9)_110<221>

= 357817 · 75430222781_<11> · 817951264453_<12> · 462066252413030932780901126682137746898271901_<45> · [9803066774141321755911592741282143892488344106277837669760782655870221053829513355030349710494235852686881134539819159259897680085198818347486247379_<148>] (Dmitry Domanov / GMP-ECM B1=11000000, sigma=3704279063 for P45 / Dec 19, 2011) SUBMIT/RESERVE

10²²³-5·10¹¹¹-1 =

(9)₁₁₁4(9)_111<223>

= 7 · 1481 · 82996399525212524473_<20> · 3273888042983588774204908987549_<31> · [3549962987652359582205006389832292976189377520550671043030260762707733766139008837442287044505204459021658007240336254182045930692366202619549869364461226505973344788061_<169>] (Makoto Kamada / GMP-ECM 6.3 B1=1e6, sigma=2668758302 for P31 / Dec 1, 2011) SUBMIT/RESERVE

10²²⁵-5·10¹¹²-1 =

(9)₁₁₂4(9)_112<225>

= 47 · 311 · 49613 · 248979577657_<12> · 27330971655623321845381_<23> · 36068168239288287767347_<23> · 5618280004639074954800767089322574978693995654985355181860908594187428247427454809295074134965776189990006919773571793522685615543240833523838659065557564320181_<160>

10²²⁷-5·10¹¹³-1 =

(9)₁₁₃4(9)_113<227>

= 7 · 73 · 6679 · 23599 · 1959319176653_<13> · [633678346444505962477704707956362332115034626460882119999980858184076670370308283235708819456120586779257840399174628816852081260368723266056503158721830877339099878849123329145822758028732930448643899693_<204>] SUBMIT/RESERVE

10²²⁹-5·10¹¹⁴-1 =

(9)₁₁₄4(9)_114<229>

= 29 · 61 · 73 · 97 · [798321035064734655251846736092389374059627715758434122029277785304171091693637277568799506382137598773267964678125740193284699083663166321645620662272760911072704773137519020996561711134079694313295821292323688204862589391_<222>] SUBMIT/RESERVE

10²³¹-5·10¹¹⁵-1 =

(9)₁₁₅4(9)_115<231>

= 13 · 803917760860919_<15> · 7662764517802885758705239_<25> · 12487041196664378440754563805816322444997978312393282857335345001834147513319763269476366077331026573713316577846365789243738394171773036685471219334156575729935843819381884833451976174593003_<191>

10²³³-5·10¹¹⁶-1 =

(9)₁₁₆4(9)_116<233>

= 2601853 · 8008704089_<10> · 1530055823483843_<16> · 340355694449203541_<18> · 8679068493733992028993_<22> · 107558011802802556289783_<24> · 721403395052706610131515270626453_<33> · 13684238535017068762204594745181110647171352604736152454146148400869425183150149056304939965878537735299167_<107> (Makoto Kamada / GMP-ECM 6.3 B1=1e6, sigma=284002450 / Dec 1, 2011)

10²³⁵-5·10¹¹⁷-1 =

(9)₁₁₇4(9)_117<235>

= 7 · 269 · 14737 · 360363334169496389717954789608894430155838042771596205244360394901997569637601694082448464169307919694184142997071939620690923899876507089013455282207554073148927967729895861122601696424810136271034452860890275454885735813819869_<228>

10²³⁷-5·10¹¹⁸-1 =

(9)₁₁₈4(9)_118<237>

= 340531604455394509_<18> · 386231622468588965771_<21> · 141340362428255634092409831593_<30> · 53793344464684711694947045851488822072849604422189427963516489300901205012293634322037416448101596793018822600276954511585201671697321648080496054717023194110120333445737_<170> (Warut Roonguthai / GMP-ECM 6.3 B1=1000000, sigma=2999262989 for P30 / Dec 4, 2011)

10²³⁹-5·10¹¹⁹-1 =

(9)₁₁₉4(9)_119<239>

= 7 · 111356917170875718624168336585576613387_<39> · [128287623693758025152832912337296027298175369590539017454373661220499465481141553514475589431580452729703391388225905931766998252406293669289920300639028312049431066446612735158259218419515660578578811_<201>] (Wataru Sakai / GMP-ECM 6.3 B1=3000000, sigma=3327405000 for P39 / Dec 12, 2011) SUBMIT/RESERVE

10²⁴¹-5·10¹²⁰-1 =

(9)₁₂₀4(9)_120<241>

= 181 · 31326389 · 884186044251305848276972849_<27> · [1994653359325654121672948287747608009545659738798523815002525964795088792529940030698542258070195464078323627914436847901329579678287094813124553901162078880965026895699899277708926210442618695569567905639_<205>] SUBMIT/RESERVE

10²⁴³-5·10¹²¹-1 =

(9)₁₂₁4(9)_121<243>

= 13 · 73 · 1069 · 2797 · 352422490543682553253803956644975345486437075605546147024346938948837338767596037772722888799740017364849940510572583615079049931146918463363777440634055256908018523271125067430184541628367842667542613236809643711022400739313028414507_<234>

10²⁴⁵-5·10¹²²-1 =

(9)₁₂₂4(9)_122<245>

= 73 · 22369 · 36625567109_<11> · 263212434106076400754443306937_<30> · 163222481788009753304251858616678363833_<39> · 14330047390534455341614689556894667052960470533_<47> · 2715890195685046445941646167332658163307170707411127857765335475908721729333659918091655671222089370774811117553071_<115> (Makoto Kamada / GMP-ECM 6.3 B1=1e6, sigma=36266829 for P30 / Dec 1, 2011) (Serge Batalov / GMP-ECM B1=3000000, sigma=1138556035 for P39 / Dec 4, 2011) (Wataru Sakai / GMP-ECM 6.3 B1=11000000, sigma=3561897294 for P47 / Dec 12, 2011)

10²⁴⁷-5·10¹²³-1 =

(9)₁₂₃4(9)_123<247>

= 7² · 29 · 26203 · 1329313 · [202035484417215585307330151603917619567030615878414836490113410556308230775257323875494551984403768362807369854404647804430521947746677028123442526290929183892925393332214651748069587056028955696685819522664015938159935644520921928321_<234>] SUBMIT/RESERVE

10²⁴⁹-5·10¹²⁴-1 =

(9)₁₂₄4(9)_124<249>

= 67 · 268199 · 52525648820030508127_<20> · 1144763204527681894789_<22> · 27016802221019958728332211341929526202160898369_<47> · [34256817354411545382466016375368842277173876846786354088577994330080280937009344976692769395823687919692915950711718568959860018098119896150896597166455129_<155>] (Dmitry Domanov / GMP-ECM B1=11000000, sigma=3466375606 for P47 / Dec 19, 2011) SUBMIT/RESERVE

10²⁵¹-5·10¹²⁵-1 =

(9)₁₂₅4(9)_125<251>

= 7 · 97 · 174419736017_<12> · 7455099951890177_<16> · 9544675843131794165022618471409_<31> · 11866426318239577810180425027532350581741722589419898353146225103264604791804811573904038197622977543266794243520797271362024857764938020422154722310211168050226004513466164258233337838895401_<191> (Serge Batalov / GMP-ECM B1=3000000, sigma=3486331634 for P31 / Dec 4, 2011)

10²⁵³-5·10¹²⁶-1 =

(9)₁₂₆4(9)_126<253>

= 205537 · [48653040571770532799447301459104686747398278655424570758549555554474376876182877048901171078686562516724482696546120649810009852240715783532891888078545468699066348151427723475578606284999781061317427032602402487143434028909636707746050589431586527_<248>] SUBMIT/RESERVE

10²⁵⁵-5·10¹²⁷-1 =

(9)₁₂₇4(9)_127<255>

= 13 · 15679 · 70305632609345124151_<20> · 1225242102683278938464497_<25> · 8111230537121042023133801_<25> · [7021655372446804983181338493785202324871759346669085992106879037390711097819114900912457473188156189735784262871357991144707881258966552799458092819985916913900382055865073614858971_<181>] SUBMIT/RESERVE

10²⁵⁷-5·10¹²⁸-1 =

(9)₁₂₈4(9)_128<257>

= 83 · 47717 · 2109647986622447_<16> · 171816970279810093184987179024821655801_<39> · 69658276364907624189192917920856677179187159881623592822304945939401732802219085316461292864410533889090691052964394751209963478110310185882643846926109851492162883614208848107985592444955876448647_<197> (Dmitry Domanov / GMP-ECM B1=11000000, sigma=2975399048 for P39 / Dec 20, 2011)

10²⁵⁹-5·10¹²⁹-1 =

(9)₁₂₉4(9)_129<259>

= 7 · 73 · 22291 · 34913579819_<11> · 1747369528619321_<16> · 35246759705184047_<17> · 290280233607778049_<18> · 51228873852546287153591_<23> · 25754077693559419773913191481_<29> · 305118707424443433113965269725917_<33> · 3493848755359579215538978646574489287626062629853067620769085262631393146180922421619038130531627829205045981_<109> (Warut Roonguthai / GMP-ECM 6.3 B1=1000000, sigma=2749048265 for P33 / Dec 4, 2011)

10²⁶¹-5·10¹³⁰-1 =

(9)₁₃₀4(9)_130<261>

= 73 · 50129551 · 273264568776734133722103629027719338365934493668489044119644843844100319464234382170833753724684541831027710308064994697712306063469456765392007972106851431830495809022878145008446243012689535133281704164902052743574316676743948920864322397354609000713_<252>

10²⁶³-5·10¹³¹-1 =

(9)₁₃₁4(9)_131<263>

= 7 · 439 · 11959 · 9904962203_<10> · 1351888784680508161421046410243595859_<37> · 203211736064201892105164404621333450028327749999138451932527637487835177586928824782206034111682820968977146127728757506259079976608507157515070699267646270769974345897646166657489763827993084604236291278765241_<210> (Serge Batalov / GMP-ECM B1=6000000, sigma=1810957502 for P37 / Dec 11, 2011)

10²⁶⁵-5·10¹³²-1 =

(9)₁₃₂4(9)_132<265>

= 5616235134305678745660899278719002510083_<40> · 1780552231318975083949307510644529380594980955128340668432098541313158580504224662174437828489671284476228876763563811423387669224839043145236832213728679312162105617995512683187059754487428657098809888413664711257802720903253_<226> (Serge Batalov / GMP-ECM B1=11000000, sigma=1201685269 for P40 / Dec 5, 2011)

10²⁶⁷-5·10¹³³-1 =

(9)₁₃₃4(9)_133<267>

= 13 · 130785803 · 7527180343_<10> · [78138257673580139319031313073456279363315825621999477402707347367948301733054778016512546175497395524387826188363512235657467738416799179373463167131082626634672748456142216052677961183224006900601010669147701907014642184010386050072773677743482487_<248>] SUBMIT/RESERVE

10²⁶⁹-5·10¹³⁴-1 =

(9)₁₃₄4(9)_134<269>

= 4091 · 5323 · [4592128733165313465825125400703413095088796386068161058628947411079511652825148774638664906534337435956450639001601413053116739764937173020343635422082986838086546288910197386683827757884420987442686215297455368297219838014495789086833618405031540347384435980743_<262>] SUBMIT/RESERVE

10²⁷¹-5·10¹³⁵-1 =

(9)₁₃₅4(9)_135<271>

= 7 · 1783 · 1643852502677134847_<19> · 2087232354721855190879_<22> · [233516176663272730821457586485917862067003811937762661985080954817838109955257841588795943461973939311309156669235607712399242030554313226145002176381003228989115702046887040577074403432511437232660622564473874670707529783455583_<228>] SUBMIT/RESERVE

10²⁷³-5·10¹³⁶-1 =

(9)₁₃₆4(9)_136<273>

= 199 · 33739 · 114269 · 7751782388461126693_<19> · 168145294442047760066524960534530403113154024693203540849678869056987306414790861118963127762532468528387774187381864742909015993879813356490839278493995992483891980626780385781355572342867088490464019995180135644161568438842275748133364483627_<243>

10²⁷⁵-5·10¹³⁷-1 =

(9)₁₃₇4(9)_137<275>

= 7 · 73 · 193 · 46591 · 544121066551_<12> · 155462224082098694051620606144568061839_<39> · [257276039545626255375078726806881213870654648018005970948117924143709999902364872735226095669930002293170499478288750469203723129430928582989998628352202073091775322546821085431711620057663662468333496381517634399287_<216>] (Dmitry Domanov / GMP-ECM B1=11000000, sigma=852055419 for P39 / Dec 18, 2011) SUBMIT/RESERVE

10²⁷⁷-5·10¹³⁸-1 =

(9)₁₃₈4(9)_138<277>

= 73 · 11887 · 33679 · 2064077 · 7087667 · 1764163334119819_<16> · 13257990340519329977047641202119026659688040535267303331540044172864726214664197844454234602923737558743219991242471493807122198610937908474113720208164556581113910719778262923043485319078389206315262502301282691739335593530107539021038611_<239>

10²⁷⁹-5·10¹³⁹-1 =

(9)₁₃₉4(9)_139<279>

= 13 · 2539 · 179813371702032654476659024831_<30> · 13630346088404401801227555637371700433_<38> · [12361326540940833213063227678635700053086110917075968699447833807705353590753902990214926611066469441191897441116444395277122726897913027664611193588643100407892484804147506606870599131787306537649622767440159_<209>] (Makoto Kamada / GMP-ECM 6.3 B1=1e6, sigma=3242843616 for P30 / Dec 2, 2011) (Dmitry Domanov / GMP-ECM B1=3000000, sigma=698156847 for P38 / Dec 12, 2011) SUBMIT/RESERVE

10²⁸¹-5·10¹⁴⁰-1 =

(9)₁₄₀4(9)_140<281>

= 47 · 2267 · 22433 · 52957 · 54413 · 859373 · 13440278071967_<14> · [1257034685283032429378444318949173373436541389514371407701928863591113517667298889748771510882954572815863137527608164212248607945837579868274571833107684103340553527010353539350123581361907668815063959510911737863887160894579724078679174745337_<244>] SUBMIT/RESERVE

10²⁸³-5·10¹⁴¹-1 =

(9)₁₄₁4(9)_141<283>

= 7 · 223300691 · 903368061880755812827_<21> · 6635200721161906278741334394290613_<34> · 1067316185814560290900633545748834221174437737347196588519916483980125881557412433225403950134350216301917352293659425847032223444185004887209766195820727569839228768875287347263518043714084245563007935746714446482939077_<220> (Serge Batalov / GMP-ECM B1=6000000, sigma=999014207 for P34 / Dec 11, 2011)

10²⁸⁵-5·10¹⁴²-1 =

(9)₁₄₂4(9)_142<285>

= 29 · 223 · 787 · 20477593 · [9594967316179506343695316308752401281439878316026886337569166060329883303573833018818404826753109487790492979651496930532519872872467612725529250877159278953749455474887096390041889236679584173751600710019601596871465541074176213700712998988786433301914816486976736405967_<271>] SUBMIT/RESERVE

10²⁸⁷-5·10¹⁴³-1 =

(9)₁₄₃4(9)_143<287>

= 7 · 293 · 1429 · 17099 · [1995406573230352966713876410483239490290390934147627968075486483523225212481113886590999686353793698637143941219711768197330801851259463936489216969211404220415813025839875136582838747837685374176817109858841760127473017859349110845906097608025763696599606952224145098050147619_<277>] SUBMIT/RESERVE

10²⁸⁹-5·10¹⁴⁴-1 =

(9)₁₄₄4(9)_144<289>

= 36359373608199621142417_<23> · [275032240867451022944381080541332503190337643534183145391929455132046636576222408138779178535650807620509010079759273448285217376781806574449323798171064042626065326923288685020458962054556809266388154776200874556722593537863693534800251879822098523041490811540719247_<267>] SUBMIT/RESERVE

10²⁹¹-5·10¹⁴⁵-1 =

(9)₁₄₅4(9)_145<291>

= 13 · 73 · 7073148731016150918608979481_<28> · [148977608112136120049561771613235867057102963221018497547016862169837496895219229126098368675145070944775282908915081878363462392162182562452442128753618754257946282537573418748917853160611587967583626747190832219986240997878153174014850410342281877837413361371_<261>] SUBMIT/RESERVE

10²⁹³-5·10¹⁴⁶-1 =

(9)₁₄₆4(9)_146<293>

= 73 · 809 · [1693279374163943309006552991178014460605855360075858915962544660243493574004775047835142320131398479435122000778908512115413922143014375941886651870227068764075384797737778756116971739167245203786172680630577238938652488274040333914692585129620536092249860304451631474677006959378227813807_<289>] SUBMIT/RESERVE

10²⁹⁵-5·10¹⁴⁷-1 =

(9)₁₄₇4(9)_147<295>

= 7 · 11617 · 249063351709_<12> · 987989700150650117_<18> · 4569838558017123384403_<22> · [109356566887638339980607624699265267026519061693597031433481314472737142918020083983699767084964730151628487228385682907182972926017341406484846345268476850057488364044587568343621352518993519475089838012950589171601944864135946917178000419_<240>] SUBMIT/RESERVE

10²⁹⁷-5·10¹⁴⁸-1 =

(9)₁₄₈4(9)_148<297>

= 191 · 23039 · 77899 · 644794778093_<12> · 678492069769279_<15> · [6668141970382211765427030058480590988911648800557362294402508334100826785229146046791305344073658362471013389802137829766928110217096884327009150608504194334882468154561276494333156333346035611933344819166808435758005222404202526482943586900076063882564449167_<259>] SUBMIT/RESERVE

10²⁹⁹-5·10¹⁴⁹-1 =

(9)₁₄₉4(9)_149<299>

= 7³ · 181 · 25253 · [63784378225916854655760083133854122023249483680288129140587230329591250779503305165835113023261596971557013010454905726979201015816740475280836541866366970577776100617162399247575491520871837743303493561798447463868348701457440321076170233537679494685919021066652775109455763052169091782001_<290>] SUBMIT/RESERVE

10³⁰¹-5·10¹⁵⁰-1 =

(9)₁₅₀4(9)_150<301>

= 193 · 977 · 18163448517793_<14> · 7949874091726382530114753_<25> · 45417409244607996230213972304678438124284876923_<47> · [8086623294285424002309687982701832750562965122141889124968324699797819596742573000282126886359431100549215672379183021873737918879942209871663576144278098017140257137178477046852781243787214322580858309836104477_<211>] (Dmitry Domanov / GMP-ECM B1=43000000, sigma=3380296037 for P47 / Dec 14, 2011) SUBMIT/RESERVE

4. References

• Palindromic Wing Primes (Patrick De Geest)
• A077782 - OEIS (The OEIS Foundation Inc.)
• A183185 - OEIS (The OEIS Foundation Inc.)