PrimeGrid Another PPS-Mega Prime!

[Newshound]

On 29 April 2017 14:06:48 UTC, PrimeGrid’s PPS Mega Prime Search project found the Mega Prime:

609*2^3392301+1

The prime is 1,021,188 digits long and will enter Chris Caldwell's The Largest Known Primes Database ranked 205th overall.

The discovery was made by User “jimmy” of Belgium using an Intel(R) Core(TM) i7-4790 @ 3.60GHz with 12GB RAM, running Microsoft Windows 10 Core Edition. This computer took about 1 hour 36 minutes to complete the primality test using LLR.

The prime was verified on 30 April 2017 11:22:53 UTC 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 14 minutes to complete the primality test using LLR.

For more information, please see the official announcement.


http://www.primegrid.com/forum_thread.php?id=7457