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
975140279Composite: 3 known prime factors
Factored
FactorDigitsBitsDate
19502805591030.92008-06-10 21:49:49
291622175366402571754.72014-12-09 12:16:14
22856403824046586071961.02015-12-30 15:14:32
History
DateUserTypeResult
2015-12-30ConductorF
Factor: 2285640382404658607 / TF: 1-65
2014-12-09TJAOIF
Factor: 29162217536640257 / TF: 54-55