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
977789783Composite: 3 known prime factors
Factored
FactorDigitsBitsDate
254225343591134.62008-06-01 01:51:11
574471053308171445.72014-01-28 11:33:16
40410780213556186811961.82015-12-23 19:48:24
History
DateUserTypeResult
2025-05-05yuriy5-1NF
no factor from 2^68 to 2^69
2015-12-23ConductorF
Factor: 4041078021355618681 / TF: 1-62
2014-01-28TJAOIF
Factor: 57447105330817