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12-14-16, 07:32 AM
On 11 December 2016, 02:52:40 UTC, PrimeGrid’s Generalized Fermat Prime Search found the Generalized Fermat mega prime: 44438760^131072+1 (http://primes.utm.edu/primes/page.php?id=122587) The prime is 1,002,408 digits long and enters Chris Caldwell's The Largest Known Primes Database (https://primes.utm.edu/primes) ranked 19th for Generalized Fermat primes and 198th overall. The discovery was made by Håkan Lind (sangis43 (http://www.primegrid.com/show_user.php?userid=152018)) of Sweden using an NVIDIA GeForce GTX 960 in an Intel(R) Core(TM) i7-6800k CPU with 16GB RAM, running Microsoft Windows 10 Professional. This GPU took about 22 minutes to probable prime (PRP) test with GeneferOCL4. Håkan is a member of the Sicituradastra. (http://www.primegrid.com/team_display.php?teamid=1596) team. The PRP was confirmed prime by an Intel(R) Core(TM) i7-3770 CPU @ 3.40GHz with 16GB RAM, running Windows 7 Ultimate. This computer took about 8 hours 58 minutes to complete the primality test using LLR. For more details, please see the official announcement (https://www.primegrid.com/download/GFN-44438760_131072).
More... (http://www.primegrid.com/forum_thread.php?id=7171)
More... (http://www.primegrid.com/forum_thread.php?id=7171)