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02-03-12, 12:07 AM
On 2 Feb 2012, 21:30:55 UTC, PrimeGrid’s The Riesel Problem project eliminated k=162941 by finding the prime: 162941*2^993718-1 (http://primes.utm.edu/primes/page.php?id=104170)The prime is 299,145 digits long and will enter Chris Caldwell's The Largest Known Primes Database (http://primes.utm.edu/primes) ranked 1536th overall. This prime was found while exploring a suspected gap in a previously searched range. This is PrimeGrid's 8th elimination. 56 k's now remain.The discovery was made by Dmitry Domanov (unconnected (http://www.primegrid.com/show_user.php?userid=37970)) of Russia using an Intel Xeon @ 3.60GHz with 2 GB RAM running Windows Server 2003 Enterprise x86. This computer took just over 1 hour 5 minutes to complete the primality test using LLR. Dmitry is a member of Team Russia (http://www.primegrid.com/team_display.php?teamid=45).For more details, please see the official announcement (http://www.primegrid.com/download/trp-162941.pdf).

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