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827*2^1219466-1 is prime
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849*2^1223571-1 is prime
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Ototero found:
315*2^1869119-1 is prime Nice find Ototero! :smile: |
889*2^1228285-1 is prime!
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And another one to follow it up:
631*2^1228421-1 |
Added [URL="http://primes.utm.edu/primes/page.php?id=109330"]109330[/URL] : 583*2^1137603-1 (342456 digits)
Lennart |
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! |
879*2^1229303-1 is prime
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705*2^1233563-1
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Added [URL="http://primes.utm.edu/primes/page.php?id=110124"]110124[/URL] : 343*2^1020791-1 (307292 digits)
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615*2^1235039-1 is prime
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