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
975063731Composite: 2 known prime factors
Factored
FactorDigitsBitsDate
19501274631030.92008-05-31 23:57:52
152656503499225029832063.72015-12-28 13:01:18
History
DateUserTypeResult
2015-12-28ConductorF
Factor: 15265650349922502983 / TF: 1-65