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 2012-07-13, 01:17 #1211 PCZ     Jun 2006 Chertsey Surrey UK 2×179 Posts 827*2^1219466-1 is prime
 2012-07-18, 00:19 #1212 PCZ     Jun 2006 Chertsey Surrey UK 2×179 Posts 849*2^1223571-1 is prime
 2012-07-29, 23:15 #1213 gd_barnes     May 2007 Kansas; USA 1037010 Posts Ototero found: 315*2^1869119-1 is prime Nice find Ototero!
 2012-09-07, 12:26 #1214 mdettweiler A Sunny Moo     Aug 2007 USA (GMT-5) 3·2,083 Posts 889*2^1228285-1 is prime!
 2012-09-10, 05:17 #1215 mdettweiler A Sunny Moo     Aug 2007 USA (GMT-5) 3·2,083 Posts And another one to follow it up: 631*2^1228421-1
 2012-09-19, 22:36 #1216 Lennart     "Lennart" Jun 2007 25×5×7 Posts Added 109330 : 583*2^1137603-1 (342456 digits) Lennart
 2012-09-24, 02:01 #1217 gd_barnes     May 2007 Kansas; USA 2×5×17×61 Posts Lennart found: 443*2^1143154-1 is confirmed prime 553*2^1143639-1 is prime 453*2^1144428-1 is prime 413*2^1144580-1 is prime 531*2^1146439-1 is prime 405*2^1146533-1 is confirmed prime 565*2^1148579-1 is prime 461*2^1150934-1 is prime 571*2^1154111-1 is prime 417*2^1155458-1 is prime What a run! Last fiddled with by gd_barnes on 2012-09-28 at 04:01 Reason: add primes
 2012-09-24, 18:30 #1218 gd_barnes     May 2007 Kansas; USA 2·5·17·61 Posts 879*2^1229303-1 is prime
 2012-11-07, 06:24 #1219 mdettweiler A Sunny Moo     Aug 2007 USA (GMT-5) 186916 Posts 705*2^1233563-1
 2012-11-20, 18:23 #1220 Lennart     "Lennart" Jun 2007 25×5×7 Posts Added 110124 : 343*2^1020791-1 (307292 digits)
 2012-11-20, 20:06 #1221 gamer007   Mar 2009 2·3·31 Posts 615*2^1235039-1 is prime

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