PrimeGrid DIV Mega Prime!

[Newshound]

On 27 October 2020, 22:38:04 UTC, PrimeGrid's Fermat Divisor Search found the Mega Prime: 29*2^7374577+1 The prime is 2,219,971 digits long and enters Chris Caldwell's “The Largest Known Primes Database” ranked 73rd overall. The discovery was made by Pavel Atnashev (Pavel Atnashev) of Russia using an Intel(R) Core(TM)2 Quad CPU Q9400 @ 2.66GHz with 4GB RAM, running Microsoft Windows 7 Professional x64 Edition. This computer took about 1 hour, 49 minutes to complete the primality test using LLR2. Pavel Atnashev is a member of the Ural Federal University team. For more details, please see the official announcement.