PrimeGrid Another PPS-Mega Prime!

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#1 PrimeGrid Another PPS-Mega Prime!

Post by Newshound »


On 13 November 2017, 00:26:44 UTC, PrimeGrid’s PPS Mega Prime Search project found the Mega Prime:
943*2^3442990+1

The prime is 1,036,447 digits long and will enter Chris Caldwell's The Largest Known Primes Database ranked 208th overall.

The discovery was made by Joshua Charles Campbell (Warp Zero) of Canada using an Intel(R) Core(TM) i7-7700K CPU @ 4.20GHz with 64GB RAM, running Linux. This computer took about 42 minutes to complete the primality test using multithreaded LLR. Joshua is a member of the Canada team.

The prime was verified on 13 November 2017, 18:22:32 UTC by Jon Goral ([KWSN]John Galt 007) of the United States using an Intel(R) Core(TM) i7 940 CPU @ 2.93GHz with 24GB RAM, running Microsoft Windows 10. This computer took about 6 hour 76 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.


SOURCE http://www.primegrid.com/forum_thread.php?id=7697
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