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
977921233Composite: 2 known prime factors
Factored
FactorDigitsBitsDate
48736367112651111652.12008-06-11 01:23:32
41591111458190289291961.92015-12-29 08:41:10
History
DateUserTypeResult
2015-12-29ConductorF
Factor: 4159111145819028929 / TF: 1-62