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07-20-16, 12:23 AM
On 14 July 2016, 18:48:35 UTC, PrimeGrid’s PPS Mega Prime Search project found the Mega Prime: 453*2^3387048+1 (https://primes.utm.edu/primes/page.php?id=121899) The prime is 1,019,606 digits long and enters Chris Caldwell's The Largest Known Primes Database (http://primes.utm.edu/primes) ranked 165th overall. The discovery was made by Andreas Mueller (Andreas (http://www.primegrid.com/show_user.php?userid=95319)) of Germany using an Intel(R) Xeon(R) CPU E5620 @ 2.40GHz with 16GB RAM, running Linux. This computer took about 3 hours 40 minutes to complete the primality test using LLR. The prime was verified on 14 July 2016, 19:08:33 UTC, by Steve King (steveking (http://www.primegrid.com/show_user.php?userid=448042)) of the United States using an Intel(R) Core(TM) i5-4570 CPU @ 3.20GHz with 20GB RAM, running Microsoft Windows 10 Professional. This computer took about 1 hour 20 minutes to complete the primality test using LLR. For more details, please see the official announcement (http://www.primegrid.com/download/mega-3387048.pdf).
More... (http://www.primegrid.com/forum_thread.php?id=6923)
More... (http://www.primegrid.com/forum_thread.php?id=6923)