PrimeGrid Another DIV Mega Prime!

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#1 PrimeGrid Another DIV Mega Prime!

Post by Newshound »

On 19 January 2021, 15:48:46 UTC, PrimeGrid's Fermat Divisor Search found the Mega Prime: 31*2^8348000+1 The prime is 2,513,000 digits long and enters Chris Caldwell's “The Largest Known Primes Database” ranked 73rd overall. The discovery was made by Igor Karpenko (A1ex01) of Ukraine using an Intel(R) Core(TM) i5-8400 CPU @ 2.80GHz with 4GB RAM, running Linux. This computer took about 2 hours, 52 minutes to complete the primality test using LLR. Igor Karpenko is a member of the Ukraine team. For more details, please see the official announcement.
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