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
977005439Composite: 3 known prime factors
Factored
FactorDigitsBitsDate
3842445150934331548.42008-05-27 22:57:53
216936261226546791754.32014-11-13 12:39:54
24077471403307514331961.12015-12-22 17:09:12
History
DateUserTypeResult
2015-12-22ConductorF
Factor: 2407747140330751433 / TF: 1-62
2014-11-13TJAOIF
Factor: 21693626122654679 / TF: 54-55