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
977849207Composite: 3 known prime factors
Factored
FactorDigitsBitsDate
3129117462411238.22008-06-01 01:53:37
124089064368311443.52012-09-15 17:58:50
12929780659496025531960.22015-12-23 20:31:07
History
DateUserTypeResult
2015-12-23ConductorF
Factor: 1292978065949602553 / TF: 1-62
2012-09-15-Anonymous-F
Factor: 12408906436831