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
977797607Composite: 2 known prime factors
Factored
FactorDigitsBitsDate
49136617798150391652.12008-06-11 00:59:02
13309513892177767611960.22015-12-23 19:50:53
History
DateUserTypeResult
2025-05-05yuriy5-1NF
no factor from 2^68 to 2^69
2015-12-23ConductorF
Factor: 1330951389217776761 / TF: 1-62