AMDave
06-21-2020, 07:19 PM
GFN-524288 Find!
[quote]On 29 May 2020, 07:52:25 UTC, PrimeGrid's Generalized Fermat Prime Search found the Mega Prime: 3638450^524288+1 (http://primes.utm.edu/primes/page.php?id=130938)The prime is 3,439,810 digits long and enters Chris Caldwell's The Largest Known Primes Database (https://primes.utm.edu/primes) ranked 3rd for Generalized Fermat primes and 35th overall.The discovery was made by Wolfgang Schwieger (DeleteNull (https://www.primegrid.com/show_user.php?userid=2663))of Germany using a GeForce RTX 2070 in an AMD Ryzen 7 3700X 8-Core Processor with 16GB RAM, running Linux openSUSE . This GPU took about 31 minutes to complete the probable prime (PRP) test using GeneferOCL5. Wolfgang Schwieger is a member of the SETI.Germany (https://www.primegrid.com/team_display.php?teamid=11) Team.The PRP was verified on 29 May 2020, 08:23:51 UTC by Greg Miller (Olgar (https://www.primegrid.com/show_user.php?userid=282022)) of the United States using a gfx1010 in an AMD FX-8370 Eight-Core Processor with 16GB RAM, running Microsoft Windows 10 Professional x64 Edition. This computer took about 1 hour, 3 minutes to complete the probable prime (PRP) test using GeneferOCL5. Greg Miller is a member of the USA (https://www.primegrid.com/team_display.php?teamid=111) Team.The PRP was confirmed prime by an Intel(R) Xeon(R) CPU E3-1240 v6 @ 3.70GHz with 4GB RAM, running Linux Debian . This computer took about 1 day, 19 hours, 22 minutes to complete the primality test using LLR.For more details, please see the official announcement (https://www.primegrid.com/download/GFN-3638450_524288.pdf).
More... (http://www.primegrid.com/forum_thread.php?id=9193)
[quote]On 29 May 2020, 07:52:25 UTC, PrimeGrid's Generalized Fermat Prime Search found the Mega Prime: 3638450^524288+1 (http://primes.utm.edu/primes/page.php?id=130938)The prime is 3,439,810 digits long and enters Chris Caldwell's The Largest Known Primes Database (https://primes.utm.edu/primes) ranked 3rd for Generalized Fermat primes and 35th overall.The discovery was made by Wolfgang Schwieger (DeleteNull (https://www.primegrid.com/show_user.php?userid=2663))of Germany using a GeForce RTX 2070 in an AMD Ryzen 7 3700X 8-Core Processor with 16GB RAM, running Linux openSUSE . This GPU took about 31 minutes to complete the probable prime (PRP) test using GeneferOCL5. Wolfgang Schwieger is a member of the SETI.Germany (https://www.primegrid.com/team_display.php?teamid=11) Team.The PRP was verified on 29 May 2020, 08:23:51 UTC by Greg Miller (Olgar (https://www.primegrid.com/show_user.php?userid=282022)) of the United States using a gfx1010 in an AMD FX-8370 Eight-Core Processor with 16GB RAM, running Microsoft Windows 10 Professional x64 Edition. This computer took about 1 hour, 3 minutes to complete the probable prime (PRP) test using GeneferOCL5. Greg Miller is a member of the USA (https://www.primegrid.com/team_display.php?teamid=111) Team.The PRP was confirmed prime by an Intel(R) Xeon(R) CPU E3-1240 v6 @ 3.70GHz with 4GB RAM, running Linux Debian . This computer took about 1 day, 19 hours, 22 minutes to complete the primality test using LLR.For more details, please see the official announcement (https://www.primegrid.com/download/GFN-3638450_524288.pdf).
More... (http://www.primegrid.com/forum_thread.php?id=9193)