Explanation of the notation on the Pages and the Champion Page.
The Third Edition of The Cunningham Book
Press release for the 2012 discovery of 75- and 79-digit primes by the Elliptic Curve Method.
The "Wanted" lists issued June 14, 2013.
The Champions and First Five Holes as of June 14, 2013.
The Main Tables as of June 14, 2013 (752K bytes). This is the latest version and includes the Base 12 extension. These tables include all factors through # 6177 on Page 125.
Appendix A as of June 14, 2013 (1224K bytes). (The counts of additional primes in the main tables have not been updated.)
Appendix C as of June 14, 2013 (160K bytes).
Extensions to the Cunningham tables.
Page 126 (the latest page).
Page 125 (the previous page).
Who is factoring which number now.
Paper "The Search for Aurifeuillian-Like Factorizations" which appeared in the journal Integers vol. 12A (2012), pp. 1449-1461.
Factor Calculator. It often works, but not always.
Factoring News from Brazil (in Portuguese)
Send e-mail to Sam Wagstaff