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RSA Security - Challenges - http://www.rsa.com/rsalabs/node.asp?id=2091
Monetary prizes for factoring certain large numbers ("RSA Numbers"), as well as breaking RSA and DES encryption schemes; announcements mailing list. |
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Ellipsa - Elliptic Curve Primality Proving - http://www.ellipsa.net/
Primo, a primality proving program based on the ECPP algorithm. With Primo one can check crypto-primes and prove whether or not they are actually prime. |
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http://anthony.d.forbes.googlepages.com/mm61.htm - http://anthony.d.forbes.googlepages.com/mm61.htm
Attempt at factoring the huge Mersenne number 2^(2^61-1)-1. Software for Windows, DOS and Linux. Work reservation via email. |
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The Riesel Sieve Project - http://www.rieselsieve.com/
Distributed project to help solve the Riesel problem through the use of donated unused CPU cycles. |
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Proth Search Page - http://www.prothsearch.net/
A list of prime number searches using Yves Gallot's proth.exe program, available to download. Maintained by Ray Ballinger. |