AMDave
10-17-2014, 02:04 PM
Another TRP Prime!
On 4 October 2014, 22:32:24 UTC, PrimeGrid’s The Riesel Problem project eliminated k=502573 by finding the mega prime: 502573*2^7181987-1 (http://primes.utm.edu/primes/page.php?id=118597)The prime is 2,162,000 digits long and enters Chris Caldwell's The Largest Known Primes Database (http://primes.utm.edu/primes) ranked 20th overall. This is the largest prime found in The Riesel Problem and PrimeGrid's 14th elimination. 50 k's now remain.The discovery was made by Denis Iakovlev (Goliaf-RS (http://www.primegrid.com/show_user.php?userid=248891)) of Russia using an Intel(R) Core(TM) i5-4570 CPU @ 3.20GHz with 8 GB RAM running Windows 7 Professional. This computer took about 19 hours and 40 minutes to complete the primality test using LLR. Denis is a member of the Russia (http://www.primegrid.com/team_display.php?teamid=45) Team.The prime was verified on 5 October 2014, 11:48:03 UTC, by Russell Mathers (Russ (http://www.primegrid.com/show_user.php?userid=319492)) of the United Kingdom using an Intel(R) Core(TM) i7-3960X CPU @ 3.30GHz with 16 GB RAM running Microsoft Windows 7 Professional. This computer took about 18 hours and 46 minutes to complete the primality test using LLR. For more details, please see the official announcement (http://www.primegrid.com/download/TRP-502573.pdf).
More... (http://www.primegrid.com/forum_thread.php?id=5937)
On 4 October 2014, 22:32:24 UTC, PrimeGrid’s The Riesel Problem project eliminated k=502573 by finding the mega prime: 502573*2^7181987-1 (http://primes.utm.edu/primes/page.php?id=118597)The prime is 2,162,000 digits long and enters Chris Caldwell's The Largest Known Primes Database (http://primes.utm.edu/primes) ranked 20th overall. This is the largest prime found in The Riesel Problem and PrimeGrid's 14th elimination. 50 k's now remain.The discovery was made by Denis Iakovlev (Goliaf-RS (http://www.primegrid.com/show_user.php?userid=248891)) of Russia using an Intel(R) Core(TM) i5-4570 CPU @ 3.20GHz with 8 GB RAM running Windows 7 Professional. This computer took about 19 hours and 40 minutes to complete the primality test using LLR. Denis is a member of the Russia (http://www.primegrid.com/team_display.php?teamid=45) Team.The prime was verified on 5 October 2014, 11:48:03 UTC, by Russell Mathers (Russ (http://www.primegrid.com/show_user.php?userid=319492)) of the United Kingdom using an Intel(R) Core(TM) i7-3960X CPU @ 3.30GHz with 16 GB RAM running Microsoft Windows 7 Professional. This computer took about 18 hours and 46 minutes to complete the primality test using LLR. For more details, please see the official announcement (http://www.primegrid.com/download/TRP-502573.pdf).
More... (http://www.primegrid.com/forum_thread.php?id=5937)