Related links
See also How to contribute your factors.
ECM
- INRIAGForge: GMP-ECM (Elliptic Curve Method): Project Info
- The ECMNET Project (Paul Zimmermann)
- yoyo@home (yoyo)
GGNFS
- GGNFS suite | Get GGNFS suite at SourceForge.net (sourceforge)
- ggnfs : GGNFS (Yahoo GROUPS)
- GGNFS (Chris Monico)
Msieve
- Msieve | Get Msieve at SourceForge.net (sourceforge)
- Integer Factorization Source Code (Jason Papadopoulos)
YAFU
pfgw
- OpenPFGW | Get OpenPFGW at SourceForge.net (sourceforge)
Primo
- Primo - Primality Proving (Ellipsa)
PARI/GP
- PARI/GP Development Headquarters (the PARI group)
Repunit
- Factorizations of Repunit Numbers (Kurt Beschorner)
- Richard Brent - Factor Tables (Richard Brent)
- Factoring and Prime Identification (Torbjörn Granlund)
- Repunit - Top (Yousuke Koide)
- PRP Repunit Search (Maksym Voznyy)
- www.repunit.org (Giovanni Di Maria)
Near-repdigit-related
- The Top Twenty: Near-repdigit (Chris Caldwell)
- Plateau and Depression Primes (Patrick De Geest)
- Integer Factorizations and (Cyclotomic) Polynomials (Alfred Reich)
- Primes of the form k*10^n-1 (Gary Barnes)
Cyclotomic numbers
- Factorizations of Cyclotomic Numbers (Hisanori Mishima)
Cunningham numbers
- The Cunningham Project (Sam Wagstaff)
- AMS Online Books/Factorizations of b^{n}+/- 1, b=2,3,5,6,7,10,11,12 Up to High Powers/conm22 (AMS Online Books)
Primes and PRPs
- The Prime Pages (prime number research, records and resources) (Chris Caldwell)
- Henri & Renaud Lifchitz's PRP Top records (Henri & Renaud Lifchitz)
Other projects, personal sites and directories
- Bob Backstrom - Sydney PCUG, Web Design, Large Factors, Digital Photos, Electronics (Bob Backstrom)
- Jeff Gilchrist Home Page (Jeff Gilchrist)
- Open Directory - Science: Math: Number Theory: Factoring (dmoz)