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
975007309Composite: 2 known prime factors
Factored
FactorDigitsBitsDate
214501607991134.32008-05-31 23:55:40
273312273877574111692064.62015-12-26 19:37:38
History
DateUserTypeResult
2015-12-26ConductorF
Factor: 27331227387757411169 / TF: 1-65