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
977341873Composite: 3 known prime factors
Factored
FactorDigitsBitsDate
58640512391032.42008-05-28 15:18:51
918701360631136.42008-05-28 15:18:50
20347685210350284231960.82015-12-23 16:33:00
History
DateUserTypeResult
2015-12-23ConductorF
Factor: 2034768521035028423 / TF: 1-62