PrimeGrid Why Not? Another PPS-Mega Prime!

[Newshound]

On 22 May 2017 21:53:30 UTC, PrimeGrid’s PPS Mega Prime Search project found the Mega Prime:

611*2^3398273+1

The prime is 1,022,985 digits long and will enter Chris Caldwell's The Largest Known Primes Database ranked 202nd overall.

The discovery was made by Randall Scalise (Randall J. Scalise) of the United States using an Intel(R) Core(TM) i5-4590 @ 3.30GHz with 8GB RAM, running Linux. This computer took about 1 hour 18 minutes to complete the primality test using LLR.

The prime was verified on 24 May 2017 04:17:13 UTC by Luis DeJesus (lajjr) of the United States using an Intel(R) Core(TM) i7-4510U @ 2.00GHz with 16GB RAM, running Microsoft Windows 10 Core Edition. This computer took about 5 hours 10 minutes to complete the primality test using LLR. Luis is a member of the Latinos Aqui team.

For more details, please see the official announcement.


http://www.primegrid.com/forum_thread.php?id=7458