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
977625587Composite: 2 known prime factors
Factored
FactorDigitsBitsDate
254182652631134.62008-06-01 01:44:17
17576347981543365611960.62015-12-23 19:43:47
History
DateUserTypeResult
2015-12-23ConductorF
Factor: 1757634798154336561 / TF: 1-62