PrimeGrid Another PPS-Mega Prime!

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#1 PrimeGrid Another PPS-Mega Prime!

Post by Newshound »


On 9 August 2017, 00:27:22 UTC, PrimeGrid’s PPS Mega Prime Search project found the Mega Prime:
999*2^3418885+1

The prime is 1,029,190 digits long and will enter Chris Caldwell's The Largest Known Primes Database ranked 198th overall.

The discovery was made by Randall Scalise (Randall J. Scalise) of the United States using an Intel(R) Core(TM) i5-4590 CPU @ 3.30GHz with 8GB RAM, running Linux. This computer took about 1 hour 20 minutes to complete the primality test using LLR.

The prime was verified on 9 August 2017, 04:07:04 UTC by Eric Eskam (Doc No) of the United States using an Intel(R) Core(TM)2 Quad Q6600 CPU @ 2.40GHz with 3GB RAM, running Microsoft Windows 10 Professional Edition. This computer took about 5 hours 2 minutes to complete the primality test using LLR. Eric is a member of the Heinlein Fans team.

For more details, please see the official announcement.


http://www.primegrid.com/forum_thread.php?id=7559
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