AMDave
02-02-2021, 01:30 AM
Another DIV Mega Prime!
On 27 January 2021, 17:13:11 UTC, PrimeGrid's Fermat Divisor Search found the Mega Prime: 25*2^8456828+1 (https://primes.utm.edu/primes/page.php?id=131626)The prime is 2,545,761 digits long and enters Chris Caldwell's “The Largest Known Primes Database” (https://primes.utm.edu/primes) ranked 74th overall.The discovery was made by Wolfgang Schwieger (DeleteNull (https://www.primegrid.com/show_user.php?userid=2663)) of Germany using an AMD Ryzen 7 3700X 8-Core Processor with 16GB RAM, running Microsoft Windows 10 Professional x64 Edition. This computer took about 1 hour, 20 minutes to complete the primality test using LLR2. Wolfgang Schwieger is a member of the SETI.Germany (https://www.primegrid.com/team_display.php?teamid=11) team.For more details, please see the official announcement (https://www.primegrid.com/download/DIV-8456828.pdf).
More... (http://www.primegrid.com/forum_thread.php?id=9556)
On 27 January 2021, 17:13:11 UTC, PrimeGrid's Fermat Divisor Search found the Mega Prime: 25*2^8456828+1 (https://primes.utm.edu/primes/page.php?id=131626)The prime is 2,545,761 digits long and enters Chris Caldwell's “The Largest Known Primes Database” (https://primes.utm.edu/primes) ranked 74th overall.The discovery was made by Wolfgang Schwieger (DeleteNull (https://www.primegrid.com/show_user.php?userid=2663)) of Germany using an AMD Ryzen 7 3700X 8-Core Processor with 16GB RAM, running Microsoft Windows 10 Professional x64 Edition. This computer took about 1 hour, 20 minutes to complete the primality test using LLR2. Wolfgang Schwieger is a member of the SETI.Germany (https://www.primegrid.com/team_display.php?teamid=11) team.For more details, please see the official announcement (https://www.primegrid.com/download/DIV-8456828.pdf).
More... (http://www.primegrid.com/forum_thread.php?id=9556)