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[PrimeGrid] Another DIV Mega Prime!

Posted: Tue Oct 27, 2020 10:49 am
by Skillz
On 20 October 2020, 19:06:13 UTC, PrimeGrid's Fermat Divisor Search found the Mega Prime: 39*2^6684941+1 The prime is 2,012,370 digits long and enters Chris Caldwell's “The Largest Known Primes Database” ranked 97th overall. The discovery was made by Mike Thümmler (fnord) of Germany using an AMD Ryzen 5 1600X Six-Core Processor with 16GB RAM, running Microsoft Windows 10 Professional x64 Edition. This computer took about 4 hours to complete the primality test using LLR. Mike Thümmler is a member of the SETI.Germany team. For more details, please see the official announcement.