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
975124439Composite: 3 known prime factors
Factored
FactorDigitsBitsDate
506206598773691445.52008-06-02 05:51:22
272852631167328471754.62014-12-03 12:03:16
255696890513968006012064.52015-12-29 18:09:51
History
DateUserTypeResult
2015-12-29ConductorF
Factor: 25569689051396800601 / TF: 1-65
2014-12-03TJAOIF
Factor: 27285263116732847 / TF: 54-55