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 2011-03-08, 21:49 #639 Flatlander I quite division it     "Chris" Feb 2005 England 31×67 Posts 1791*2^687505-1 is prime.
 2011-03-11, 14:00 #640 Flatlander I quite division it     "Chris" Feb 2005 England 31×67 Posts 1659*2^687935-1 is prime.
 2011-03-12, 08:04 #641 gd_barnes     May 2007 Kansas; USA 2·5·1,013 Posts 1893*2^688068-1 is prime 1845*2^688142-1 is confirmed prime Last fiddled with by gd_barnes on 2011-03-12 at 16:38 Reason: add prime
 2011-03-15, 14:22 #642 Flatlander I quite division it     "Chris" Feb 2005 England 31·67 Posts 1423*2^688791-1 is prime.
 2011-03-16, 07:00 #643 gd_barnes     May 2007 Kansas; USA 236228 Posts 1815*2^688939-1 is confirmed prime 1725*2^689510-1 is prime 1659*2^690375-1 is prime 1791*2^690587-1 is prime Last fiddled with by gd_barnes on 2011-03-19 at 18:33 Reason: add primes
 2011-03-19, 14:04 #644 Flatlander I quite division it     "Chris" Feb 2005 England 31·67 Posts 1641*2^690365-1 is prime.
 2011-03-22, 14:57 #645 Flatlander I quite division it     "Chris" Feb 2005 England 31·67 Posts 1825*2^691927-1 is prime.
 2011-03-26, 21:54 #646 Flatlander I quite division it     "Chris" Feb 2005 England 31·67 Posts 1627*2^694117-1 is prime.
 2011-03-30, 04:42 #647 gd_barnes     May 2007 Kansas; USA 236228 Posts 1449*2^695325-1 is prime 1417*2^695625-1 is confirmed prime 1893*2^695895-1 is prime Last fiddled with by gd_barnes on 2011-03-30 at 17:11 Reason: add prime
 2011-04-01, 17:20 #648 nuggetprime     Mar 2007 Austria 2×151 Posts Guys, I believe I've got something! 1817*2^700256-1 is prime! was lucky apparently
 2011-04-02, 12:43 #649 Flatlander I quite division it     "Chris" Feb 2005 England 40358 Posts 1945*2^697051-1 is prime. I reported 11 top-5000 primes last month. Beats my Sep. 2006 record of 10, iirc.

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