Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
51779881Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
8184127007398953362040012479.42011-02-26 11:45:22
History
DateUserTypeResult
2022-04-05LordJuliusNF
no factor from 2^60 to 2^63
2011-02-26Jack The RipperF-PM1
Factor: 818412700739895336204001
2010-03-25mwalimudanNF
no factor from 2^68 to 2^69
2009-04-24mikaelNF
no factor from 2^67 to 2^68
2009-03-12PrimeCruncherNF
no factor from 2^66 to 2^67
2009-03-11PowerTreeNF
no factor from 2^65 to 2^66
2009-03-11PowerTreeNF
no factor from 2^64 to 2^65
2009-03-11PowerTreeNF
no factor from 2^63 to 2^64