[PrimeGrid] How About One More DIV Mega Prime!
Posted: Tue Oct 27, 2020 1:00 pm
On 25 October 2020, 00:52:15 UTC, PrimeGrid's Fermat Divisor Search found the Mega Prime: 15*2^7300254+1 The prime is 2,197,597 digits long and enters Chris Caldwell's “The Largest Known Primes Database” ranked 75th overall. The discovery was made by Robert Gelhar (Gelly) of the United States using an Intel(R) Xeon(R) Gold 6140 CPU @ 2.30GHz with 1GB RAM, running Linux Ubuntu. This computer took about 3 hours, 24 minutes to complete the primality test using LLR. Robert Gelhar is a member of the Antarctic Crunchers team. For more details, please see the official announcement.
Source: http://www.primegrid.com/forum_thread.php?id=9388
Source: http://www.primegrid.com/forum_thread.php?id=9388