The Cunningham Project


Introduction to The Cunningham Project

Explanation of the notation on the Pages and the Champion Page.

The Third Edition of The Cunningham Book.

The Joy of Factoring, a new factoring book. The book cover. The triplets are Purdue fans. Some corrections and comments.
Review at Math Reviews.
Review at Math Assn of America.
Review at mersenneforum.
Review in CHOICE magazine.
According to AMS' twitter feed, The Joy of Factoring was selected as a 2014 CHOICE magazine Outstanding Academic Title.

Press release for the 2012 discovery of 75- and 79-digit primes by the Elliptic Curve Method.

The "Wanted" lists issued September 22, 2014.

The Champions and First Five Holes as of April 9, 2015.

The Main Tables as of January 29, 2015 (899K bytes). This is the latest version. These tables include all factors through # 6317 on Page 130.

Appendix A as of January 29, 2015 (1411K bytes). (The counts of additional primes in the main tables have not been updated.)

Appendix C as of January 29, 2015 (260K bytes).

Extensions to the Cunningham tables.

Page 130 (the latest page).

Page 129 (the previous page).

Who is factoring which number now.

Old Pages

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


(This page last modified January 29, 2015)