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
977838709Composite: 2 known prime factors
Factored
FactorDigitsBitsDate
244596574669271444.52008-06-02 05:25:34
28379726253910930971961.32015-12-23 20:29:09
History
DateUserTypeResult
2015-12-23ConductorF
Factor: 2837972625391093097 / TF: 1-62