PrimeGrid Another PPS-Mega Prime!

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#1 PrimeGrid Another PPS-Mega Prime!

Post by Newshound »


On 20 June 2017, 17:28:20 UTC, PrimeGrid’s PPS Mega Prime Search project found the Mega Prime:
953*2^3405729+1

The prime is 1,025,230 digits long and will enter Chris Caldwell's The Largest Known Primes Database ranked 201st 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 14 minutes to complete the primality test using LLR.

The prime was verified on 24 June 2017 06:23:26 UTC, by Jon Goral ([KWSN]John Galt 007) of the United States using an Intel(R) Core(TM) i7-2600 CPU @ 3.40GHz with 10GB RAM, running Microsoft Windows 10 Core Edition. This computer took about 5 hours 54 minutes to complete the primality test using LLR. Jon is a member of The Knights Who Say Ni! team.

For more details, please see the official announcement.


http://www.primegrid.com/forum_thread.php?id=7505
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