AMDave
04-26-2019, 03:14 PM
GFN-524288 Mega Prime!
On 17 Apr 2019, 11:00:27 UTC, PrimeGrid’s Generalized Fermat Prime Search found the Generalized Fermat mega prime:2788032^524288+1 (https://primes.utm.edu/primes/page.php?id=126397)The prime is 3,379,193 digits long and enters Chris Caldwell's The Largest Known Primes Database (https://primes.utm.edu/primes) ranked 3rd for Generalized Fermat primes and 26th overall.The discovery was made by Ed Goforth (BlisteringSheep (https://www.primegrid.com/show_user.php?userid=3762)) of the Netherlands Antilles using an NVIDIA GeForce GTX 760 in an Intel(R) Xeon(R) CPU E5-2687W v3 @ 3.10GHz CPU with 128GB RAM, running Linux. This GPU took about 3 hours 31 minutes to probable prime (PRP) test with GeneferOCL5. Ed is a member of the Christians (https://www.primegrid.com/team_display.php?teamid=2206) team. The prime was verified on 23 Apr 2019, 13:36:35 by Brent Schneider (KWSN-SpongeBob SquarePants (https://www.primegrid.com/show_user.php?userid=7472)) of Nepal using an NVIDIA GeForce GTX 1080 in an Intel(R) Core(TM) i7-6700K CPU @ 4.00GHz with 16GB RAM, running Windows 10. This GPU took about 1 hour 17 minutes to probable prime (PRP) test with GeneferOCL5. Brent is a member of The Knights Who Say Ni! (https://www.primegrid.com/team_display.php?teamid=2119) team.The PRP was confirmed prime by an Intel(R) Core(TM) i7-7700K CPU @ 4.20GHz with 16GB RAM, running Windows 10. This computer took about 25 hours 4 minutes to complete the primality test using multithreaded LLR. For more details, please see the official announcement (https://www.primegrid.com/download/GFN-2788032_524288.pdf).
More... (http://www.primegrid.com/forum_thread.php?id=8560)
On 17 Apr 2019, 11:00:27 UTC, PrimeGrid’s Generalized Fermat Prime Search found the Generalized Fermat mega prime:2788032^524288+1 (https://primes.utm.edu/primes/page.php?id=126397)The prime is 3,379,193 digits long and enters Chris Caldwell's The Largest Known Primes Database (https://primes.utm.edu/primes) ranked 3rd for Generalized Fermat primes and 26th overall.The discovery was made by Ed Goforth (BlisteringSheep (https://www.primegrid.com/show_user.php?userid=3762)) of the Netherlands Antilles using an NVIDIA GeForce GTX 760 in an Intel(R) Xeon(R) CPU E5-2687W v3 @ 3.10GHz CPU with 128GB RAM, running Linux. This GPU took about 3 hours 31 minutes to probable prime (PRP) test with GeneferOCL5. Ed is a member of the Christians (https://www.primegrid.com/team_display.php?teamid=2206) team. The prime was verified on 23 Apr 2019, 13:36:35 by Brent Schneider (KWSN-SpongeBob SquarePants (https://www.primegrid.com/show_user.php?userid=7472)) of Nepal using an NVIDIA GeForce GTX 1080 in an Intel(R) Core(TM) i7-6700K CPU @ 4.00GHz with 16GB RAM, running Windows 10. This GPU took about 1 hour 17 minutes to probable prime (PRP) test with GeneferOCL5. Brent is a member of The Knights Who Say Ni! (https://www.primegrid.com/team_display.php?teamid=2119) team.The PRP was confirmed prime by an Intel(R) Core(TM) i7-7700K CPU @ 4.20GHz with 16GB RAM, running Windows 10. This computer took about 25 hours 4 minutes to complete the primality test using multithreaded LLR. For more details, please see the official announcement (https://www.primegrid.com/download/GFN-2788032_524288.pdf).
More... (http://www.primegrid.com/forum_thread.php?id=8560)