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
977065997Composite: 3 known prime factors
Factored
FactorDigitsBitsDate
1641470874971237.32008-05-27 23:49:57
18624377249675036391960.72015-12-22 20:51:36
115124425507827652392063.32017-01-26 12:23:46
History
DateUserTypeResult
2022-08-14J.R. AllenNF
no factor from 2^62 to 2^63
2017-01-26TJAOIF
Factor: 11512442550782765239 / TF: 63-64
2015-12-22ConductorF
Factor: 1862437724967503639 / TF: 1-62