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
975143447Composite: 2 known prime factors
Factored
FactorDigitsBitsDate
30622830430594848071961.42009-11-28 21:51:23
31622616045043572171961.52015-12-30 15:15:10
History
DateUserTypeResult
2015-12-30ConductorF
Factor: 3162261604504357217 / TF: 1-65