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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Exponent Range:










MnStatusDetails
990422863Factored
FactorDigitsBitsDate
38403085981817177714412271.72016-12-22 12:35:14
History
DateUserTypeResult
2016-12-22ConductorF
Factor: 3840308598181717771441 / TF: 71-72
2013-10-14ramgeisNF
no factor from 2^67 to 2^71
2011-11-18lindeeNF
no factor from 2^66 to 2^67
2011-06-06lindeeNF
no factor from 2^65 to 2^66
2010-09-17lindedNF
no factor from 2^64 to 2^65