PrimeGrid 27 Mega Prime!

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#1 PrimeGrid 27 Mega Prime!

Unread post by Newshound » Mon Oct 22, 2018 11:23 am


On 11 October 2018, 22:54:34, PrimeGrid’s 27121 Prime Search, through PRPNet and in collaboration with the 12121 Search (k=27 sister project), has found the mega prime:

27*2^7046834+1

The prime is 2,121,310 digits long and will enter Chris Caldwell's The Largest Known Primes Database ranked 48th overall.

The discovery was made by Andrew M. Farrow (Nortech) of Australia using an Intel(R) Xeon(R) CPU E3-1245 v6 @ 3.70GHz Processor with 16GB RAM, running Linux. This computer took about 1 hour 13 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=8253
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