AMDave
02-27-2020, 02:26 PM
Another GFN-262144 Find!!
On 16 February 2020, 01:13:42 UTC, PrimeGrid's Generalized Fermat Prime Search found the Mega Prime: 9812766^262144+1 (https://primes.utm.edu/primes/page.php?id=130530) The prime is 1,832,857 digits long and enters Chris Caldwell's The Largest Known Primes Database (http://primes.utm.edu/primes) ranked 15th for Generalized Fermat primes and 87th overall. The discovery was made by Tom Greer (tng* (https://www.primegrid.com/show_user.php?userid=66603)) of the United States using an NVidia GeForce RTX 2070 in an Intel(R) Core(TM) i7-7700K CPU @ 4.20GHz with 16GB RAM, running Microsoft Windows 10 Core x64 Edition. This GPU took about 17 minutes to complete the probable prime (PRP) test using GeneferOCL2. Tom Greer is a member of the Sicituradastra. (https://www.primegrid.com/team_display.php?teamid=1596) team. The prime was verified on 16 February 2020, 01:39:49 UTC by Viktor Svantner (Viktor Svantner (https://www.primegrid.com/show_user.php?userid=79492)) of the Czech Republic using a GeForce GTX 1080 Ti in an AMD Ryzen Threadripper 2990WX 32-Core Processor with 128GB RAM, running Microsoft Windows 10 Professional x64 Edition. This computer took about 22 minutes to complete the probable prime (PRP) test using GeneferOCL2. Viktor Svantner is a member of the Czech National Team (https://www.primegrid.com/team_display.php?teamid=46) 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 6 hours, 6 minutes to complete the primality test using LLR. For more details, please see the official announcement (http://www.primegrid.com/download/GFN-9812766_262144.pdf).
More... (http://www.primegrid.com/forum_thread.php?id=9060)
On 16 February 2020, 01:13:42 UTC, PrimeGrid's Generalized Fermat Prime Search found the Mega Prime: 9812766^262144+1 (https://primes.utm.edu/primes/page.php?id=130530) The prime is 1,832,857 digits long and enters Chris Caldwell's The Largest Known Primes Database (http://primes.utm.edu/primes) ranked 15th for Generalized Fermat primes and 87th overall. The discovery was made by Tom Greer (tng* (https://www.primegrid.com/show_user.php?userid=66603)) of the United States using an NVidia GeForce RTX 2070 in an Intel(R) Core(TM) i7-7700K CPU @ 4.20GHz with 16GB RAM, running Microsoft Windows 10 Core x64 Edition. This GPU took about 17 minutes to complete the probable prime (PRP) test using GeneferOCL2. Tom Greer is a member of the Sicituradastra. (https://www.primegrid.com/team_display.php?teamid=1596) team. The prime was verified on 16 February 2020, 01:39:49 UTC by Viktor Svantner (Viktor Svantner (https://www.primegrid.com/show_user.php?userid=79492)) of the Czech Republic using a GeForce GTX 1080 Ti in an AMD Ryzen Threadripper 2990WX 32-Core Processor with 128GB RAM, running Microsoft Windows 10 Professional x64 Edition. This computer took about 22 minutes to complete the probable prime (PRP) test using GeneferOCL2. Viktor Svantner is a member of the Czech National Team (https://www.primegrid.com/team_display.php?teamid=46) 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 6 hours, 6 minutes to complete the primality test using LLR. For more details, please see the official announcement (http://www.primegrid.com/download/GFN-9812766_262144.pdf).
More... (http://www.primegrid.com/forum_thread.php?id=9060)