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
977928293Composite: 2 known prime factors
Factored
FactorDigitsBitsDate
123578666502731271753.52008-06-11 01:18:26
19331373774114464471960.72015-12-29 08:43:26
History
DateUserTypeResult
2015-12-29ConductorF
Factor: 1933137377411446447 / TF: 1-62