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
977529887Composite: 2 known prime factors
Factored
FactorDigitsBitsDate
2763222832778391548.02008-06-02 06:10:51
42624620470800119691961.92015-12-23 17:28:46
History
DateUserTypeResult
2015-12-23ConductorF
Factor: 4262462047080011969 / TF: 1-62