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 2009-07-06, 15:55 #518 MyDogBuster     May 2008 Wilmington, DE 22·709 Posts 2719*2^438181-1 is prime
 2009-07-07, 19:06 #519 MrOzzy     Apr 2008 Antwerp, Belgium 3×19 Posts One more for me :-) Added 89165 : 1785*2^662755-1 (199513 digits) My biggest one so far :-)
 2009-07-07, 21:18 #520 gd_barnes     May 2007 Kansas; USA 100111100010102 Posts Nice one MrOzzy. :-) 3 more teeny ones for me: 2331*2^439550-1 is prime 2463*2^439758-1 is prime 2415*2^439954-1 is confirmed prime 2259*2^440977-1 is prime Last fiddled with by mdettweiler on 2009-09-21 at 02:23 Reason: merged (cleanup)
 2009-07-09, 12:05 #522 Mini-Geek Account Deleted     "Tim Sorbera" Aug 2006 San Antonio, TX USA 10000101010112 Posts 2619*2^440615-1 is prime! The first top 5000 prime I've found since 2009-01-16. (had bad luck on the individual k's and I've been doing some sieving and factoring)
 2009-07-09, 20:38 #523 gd_barnes     May 2007 Kansas; USA 2×3×7×241 Posts Congrats Tim. I know how those rough stretches go. In the mean time: 2527*2^441809-1 is prime 2255*2^441910-1 is prime 2673*2^442256-1 is prime 2577*2^442697-1 is prime 2243*2^444362-1 is prime 2385*2^444970-1 is confirmed prime 2581*2^444995-1 is prime 2331*2^445107-1 is prime Last fiddled with by mdettweiler on 2009-09-21 at 02:28 Reason: merged (cleanup)
 2009-07-14, 08:23 #524 Brucifer     Dec 2005 313 Posts 2971*2^445233-1 is prime 2031*2^446470-1 is prime 2149*2^447045-1 is prime --- 2479*2^447743-1 is prime 2995*2^447869-1 is prime 2801*2^448678-1 is prime 2491*2^449607-1 is prime Last fiddled with by mdettweiler on 2009-09-21 at 02:34 Reason: merged (cleanup) (note that the stuff after the --- was later and not part of the "triplet" Gary commented on)
 2009-07-16, 20:54 #525 gd_barnes     May 2007 Kansas; USA 2·3·7·241 Posts Nice triplet Bruce! One for me: 2343*2^447819-1 is prime
 2009-07-18, 20:50 #526 gd_barnes     May 2007 Kansas; USA 2×3×7×241 Posts I caught one of those lucky runs in the last 24 hours: 2943*2^448416-1 is confirmed prime 2633*2^449014-1 is prime 2373*2^449354-1 is prime 2707*2^449497-1 is prime 2305*2^449529-1 is prime
 2009-07-19, 20:35 #527 gd_barnes     May 2007 Kansas; USA 2·3·7·241 Posts 2187*2^449776-1 is confirmed prime 2799*2^450032-1 is prime 2853*2^450044-1 is prime 2781*2^450171-1 is prime 2687*2^450258-1 is prime 2799*2^452752-1 is prime 2449*2^452879-1 is prime 2859*2^453059-1 is prime 2775*2^453293-1 is confirmed prime 2651*2^453734-1 is prime Last fiddled with by mdettweiler on 2009-09-21 at 02:21 Reason: merged (cleanup)
 2009-07-23, 23:41 #528 vaughan     Jan 2005 Sydney, Australia 5·67 Posts 1435*2^663343-1 is prime 2511*2^455671-1 is new prime 2757*2^457482-1 is prime 2909*2^457748-1 is prime 2961*2^457933-1 is prime. 2623*2^459055-1 is prime. 2209*2^460565-1 is prime 2599*2^460741-1 is prime 2915*2^461042-1 is prime 2629*2^462615-1 is prime 2825*2^462632-1 is prime 2901*2^463754-1 is prime 2805*2^464446-1 confirmed prime. 2795*2^465726-1 is prime 2217*2^466442-1 is prime 2205*2^468111-1 is prime 2741*2^468594-1 confirmed prime 2001*2^469931-1 is prime 2169*2^470391-1 is prime 2963*2^470580-1 is prime 2385*2^470679-1 confirmed prime 2525*2^470704-1 is prime Last fiddled with by mdettweiler on 2009-09-21 at 02:31 Reason: merged (cleanup)

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