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
977576549Composite: 2 known prime factors
Factored
FactorDigitsBitsDate
136860716871133.72008-06-11 00:42:30
33344010211478516711961.52015-12-23 17:41:58
History
DateUserTypeResult
2025-06-03mikrNF
no factor from 2^68 to 2^71
2015-12-23ConductorF
Factor: 3334401021147851671 / TF: 1-62