PrimeGrid Yet Another PPS-Mega Prime!
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#1 PrimeGrid Yet Another PPS-Mega Prime!
On 27 October 2017, 22:42:37 UTC, PrimeGrid’s PPS Mega Prime Search project found the Mega Prime:
625*2^3438572+1
The prime is 1,035,117 digits long and will enter Chris Caldwell's The Largest Known Primes Database ranked 207th overall.
The discovery was made by Jochen Beck (dh1saj) of Germany using an Intel(R) Core(TM) i7-4790K CPU @ 4.00GHz with 32GB RAM, running Windows 10 Professional Edition. This computer took about 51 minutes to complete the primality test using LLR. Jochen is a member of the SETI.Germany team.
The prime was verified on 27 October 2017, 22:48:56 UTC by Lars Fricke (Lars Fricke) of Germany using an Intel(R) Xeon(R) E5-2620 v4 CPU @ 2.10GHz with 64GB RAM, running Linux. This computer took about 1 hour 29 minutes to complete the primality test using LLR.
For more details, please see the official announcement.
SOURCE http://www.primegrid.com/forum_thread.php?id=7673
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