January 10, 2009
Takahiro Nohara found today the first Fermat factor of 2009:
177795 * 2^38969+1 is a Factor of F38967!!!.
Takahiro found the factor and two new xGF factors too.
Congratulations go to Takahiro Nohara!
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January 4, 2009
Geoffrey Reynolds recoded part of his assembly routines in Mark Rodenkirch's program up to 768 bit, and released binaries of GMP-Factor for both Linux 32 bit and Linux 64 bit platforms!
You can find updated binaries on the Download.
http://www.fermatsearch.org/download.html, page
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December 30, 2008
FermatSearch passed 1000 CPU years of Pentium II/400 ! Thanks to all the researchers that joined the project!
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December 28, 2008
Congratulations to Eric Ueda, the discoverer of PrimeGrid's first Fermat divisor in the Proth Prime Search project: 651 * 2^476632+1 is a Factor of F476624!!!.
It is only the 6th found Fermat divisor of 2008 and 270th overall. The prime is 143,484 digits long and is the 8th largest Fermat divisor in Chris Caldwell's “The Largest Known Primes Database”.
The discovery was made by Eric Ueda of the United States using an Intel C2Q Q6600 @ 2.40 GHz with 1 GB RAM. This computer took almost 4 minutes 43 seconds to test. Eric is a member of TeAm AnandTech.
The credits for the discovery are as follows:
1. Eric Ueda (United States), discoverer
2. PrimeGrid, et al.
3. Srsieve, sieving program developed by Geoff Reynolds
4. LLR, primality program developed by Jean Penné