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08-23-17, 01:00 PM
On 18 August 2017 19:28:05 UTC, PrimeGrid’s PPS Mega Prime Search project found the Mega Prime: 1005*2^3420846+1 (http://primes.utm.edu/primes/page.php?id=123861) The prime is 1,029,781 digits long and will enter Chris Caldwell's The Largest Known Primes Database (http://primes.utm.edu/primes) ranked 199th overall. The discovery was made by Łukasz Piotrowski (stiven (http://www.primegrid.com/show_user.php?userid=95657)) of Poland using an Intel(R) Xeon(R) E3-1220 v3 CPU @ 3.10GHz with 4GB RAM, running Linux. This computer took about 1 hour 1 minute to complete the primality test using LLR. Łukasz is a member of the BOINC@Poland (http://www.primegrid.com/team_display.php?teamid=2) team. The prime was verified on 21 August 2017 06:11:37 UTC by Milan Fňašek (RNDr. (http://www.primegrid.com/show_user.php?userid=364107)) of the Czech Republic using an Intel(R) Core(TM) i3-2100 CPU @ 3.10GHz with 4GB RAM, running Microsoft Windows 7 Professional Edition. This computer took about 2 hours 9 minutes to complete the primality test using LLR. Milan is a member of the Czech National Team (http://www.primegrid.com/team_display.php?teamid=46). For more details, please see the official announcement (http://www.primegrid.com/download/mega-3420846.pdf).
More... (http://www.primegrid.com/forum_thread.php?id=7574)
More... (http://www.primegrid.com/forum_thread.php?id=7574)