Marin Mersenne 2^P-1
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GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
977781151Composite: 3 known prime factors
Factored
FactorDigitsBitsDate
880003035911136.42008-06-01 01:50:52
22077279150508197611960.92015-12-23 19:46:55
287352169533355706812064.62017-11-29 15:32:36
History
DateUserTypeResult
2025-05-05yuriy5-1NF
no factor from 2^68 to 2^69
2022-08-14J.R. AllenNF
no factor from 2^62 to 2^64
2017-11-29TJAOIF
Factor: 28735216953335570681 / TF: 64-65
2015-12-23ConductorF
Factor: 2207727915050819761 / TF: 1-62