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
977225479Composite: 2 known prime factors
Factored
FactorDigitsBitsDate
137827881558171443.62008-06-02 06:09:32
17625439969514635691960.62015-12-23 16:14:01
History
DateUserTypeResult
2015-12-23ConductorF
Factor: 1762543996951463569 / TF: 1-62