http://www.primegrid.com/ Rytis Slatkevičius (contact) and PrimeGrid community Fri, 03 Feb 2012 12:22:23 GMT en-us http://www.primegrid.com/rss_image.gif http://www.primegrid.com/ http://www.primegrid.com/forum_thread.php?id=4020 http://www.primegrid.com/forum_thread.php?id=4020 project preferences page. Applications are available for Windows, Linux and Mac. 32bit applications will be sent to 64bit hosts. ]]> Fri, 03 Feb 2012 12:22:23 GMT http://www.primegrid.com/forum_thread.php?id=4017 http://www.primegrid.com/forum_thread.php?id=4017 162941*2^993718-1 The prime is 299,145 digits long and will enter Chris Caldwell's The Largest Known Primes Database 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) 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. For more details, please see the official announcement. ]]> Fri, 03 Feb 2012 05:02:47 GMT http://www.primegrid.com/forum_thread.php?id=4007 http://www.primegrid.com/forum_thread.php?id=4007 Tour de Primes 2012. ]]> Wed, 01 Feb 2012 00:29:32 GMT http://www.primegrid.com/forum_thread.php?id=3999 http://www.primegrid.com/forum_thread.php?id=3999 427194*113^427194+1 The prime is 877,069 digits long and enters Chris Caldwell's The Largest Known Primes Database ranked 1st for generalized Cullen primes and 57th overall. The discovery was made by Ricky L. Hubbard of the United States using an AMD Phenom II X6 1090t @ 3.2GHz with 8GB RAM, running Windows 7. This computer took 7 hours and 15 minutes to complete the probable prime test using pfgw64 and 7 hours 20 minutes to complete the primality test again using pfgw64. Ricky is a member of the AMD Users Team. For more details, please see the official announcement. ]]> Mon, 30 Jan 2012 02:12:11 GMT http://www.primegrid.com/forum_thread.php?id=3981 http://www.primegrid.com/forum_thread.php?id=3981 Tour de Primes 2012. ]]> Tue, 24 Jan 2012 16:23:12 GMT http://www.primegrid.com/forum_thread.php?id=3968 http://www.primegrid.com/forum_thread.php?id=3968 Year of the Dragon. Let's see if we can channel that Dragon energy to find some primes for the start of PrimeGrid's 2012 Challenge Series. A 5 day Challenge is being offered on PrimeGrid's Proth Prime Search (LLR) application. For more information, please see this forum thread. ]]> Sun, 22 Jan 2012 15:22:24 GMT http://www.primegrid.com/forum_thread.php?id=3966 http://www.primegrid.com/forum_thread.php?id=3966 525094^262144+1 The prime is 1,499,526 digits long and enters Chris Caldwell's The Largest Known Primes Database ranked 2nd for Generalized Fermat Primes and 24th overall. The discovery was made by David Tomecko of the United States using an NVIDIA GeForce GTX 570 in an Intel Core i7 980 @ 3.33GHz system with 24GB RAM, running Windows 7 Ultimate. This GPU took about 55 minutes 24 seconds to probable prime (PRP) test with GenefCUDA. David is a member of the The Knights Who Say Ni! team. The PRP was verified on 19 Jan 2012 7:37:53 UTC, by Rick Reynolds of the United States. For more details, please see the official announcement. ]]> Sun, 22 Jan 2012 03:48:32 GMT