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Old 2012-07-13, 01:17   #1211
PCZ
 
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827*2^1219466-1 is prime
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Old 2012-07-18, 00:19   #1212
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849*2^1223571-1 is prime
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Old 2012-07-29, 23:15   #1213
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Ototero found:

315*2^1869119-1 is prime

Nice find Ototero!
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Old 2012-09-07, 12:26   #1214
mdettweiler
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889*2^1228285-1 is prime!
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Old 2012-09-10, 05:17   #1215
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And another one to follow it up:

631*2^1228421-1
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Old 2012-09-19, 22:36   #1216
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Added 109330 : 583*2^1137603-1 (342456 digits)

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Old 2012-09-24, 02:01   #1217
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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
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Old 2012-09-24, 18:30   #1218
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879*2^1229303-1 is prime
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Old 2012-11-07, 06:24   #1219
mdettweiler
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705*2^1233563-1
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Old 2012-11-20, 18:23   #1220
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Added 110124 : 343*2^1020791-1 (307292 digits)
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Old 2012-11-20, 20:06   #1221
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615*2^1235039-1 is prime
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