AMDave
11-25-2020, 06:09 PM
TRP Mega Prime!
On 16 November 2020, 23:17:01 UTC, PrimeGrid’s The Riesel Problem project eliminated k=146561 by finding the mega prime:146561*2^11280802-1 (http://primes.utm.edu/primes/page.php?id=131405)The prime is 3,395,865 digits long and will enter Chris Caldwell's The Largest Known Primes Database (http://primes.utm.edu/primes) ranked 42nd overall. This is PrimeGrid's 16th elimination. 48 k's now remain.The discovery was made by Pavel Atnashev (Pavel Atnashev (https://www.primegrid.com/show_user.php?userid=914937)) of Russia using an Intel(R) Xeon(TM) E5-2680 v4 CPU @ 2.40GHz with 4GB RAM, running Linux. This computer took about 3 hours, 18 minutes to complete the primality test using LLR2. Pavel Atnashev is a member of the Ural Federal University (https://www.primegrid.com/team_display.php?teamid=8426) team. For more details, please see the official announcement (http://www.primegrid.com/download/TRP-146561.pdf).
More... (http://www.primegrid.com/forum_thread.php?id=9441)
On 16 November 2020, 23:17:01 UTC, PrimeGrid’s The Riesel Problem project eliminated k=146561 by finding the mega prime:146561*2^11280802-1 (http://primes.utm.edu/primes/page.php?id=131405)The prime is 3,395,865 digits long and will enter Chris Caldwell's The Largest Known Primes Database (http://primes.utm.edu/primes) ranked 42nd overall. This is PrimeGrid's 16th elimination. 48 k's now remain.The discovery was made by Pavel Atnashev (Pavel Atnashev (https://www.primegrid.com/show_user.php?userid=914937)) of Russia using an Intel(R) Xeon(TM) E5-2680 v4 CPU @ 2.40GHz with 4GB RAM, running Linux. This computer took about 3 hours, 18 minutes to complete the primality test using LLR2. Pavel Atnashev is a member of the Ural Federal University (https://www.primegrid.com/team_display.php?teamid=8426) team. For more details, please see the official announcement (http://www.primegrid.com/download/TRP-146561.pdf).
More... (http://www.primegrid.com/forum_thread.php?id=9441)