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
977289697Composite: 2 known prime factors
Factored
FactorDigitsBitsDate
293186909111134.82008-06-01 01:32:51
27172524425631877611961.22015-12-23 16:22:40
History
DateUserTypeResult
2015-12-23ConductorF
Factor: 2717252442563187761 / TF: 1-62