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10-22-18, 09:26 PM
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 (https://primes.utm.edu/primes/page.php?id=125683)The prime is 2,121,310 digits long and will enter Chris Caldwell's The Largest Known Primes Database (http://primes.utm.edu/primes) ranked 48th overall. The discovery was made by Andrew M. Farrow (Nortech (http://www.primegrid.com/show_user.php?userid=61946)) 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 (http://www.primegrid.com/download/27121-7046834.pdf).
More... (http://www.primegrid.com/forum_thread.php?id=8253)
More... (http://www.primegrid.com/forum_thread.php?id=8253)