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
975045433Composite: 2 known prime factors
Factored
FactorDigitsBitsDate
58502725991032.42008-05-31 23:57:11
55522771222691316491962.32015-12-27 20:27:48
History
DateUserTypeResult
2015-12-27ConductorF
Factor: 5552277122269131649 / TF: 1-65