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
399201947Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
14711460267608103635992270.32016-10-28 15:34:09
History
DateUserTypeResult
2025-04-04James HeinrichF
Factor: 1471146026760810363599 / TF: 70-71
2016-10-28Alex_soldierF
Factor: 1471146026760810363599 / TF: 70-71*
2016-10-28Alex_soldierNF
no factor from 2^69 to 2^70
2016-10-28Alex_soldierNF
no factor from 2^67 to 2^69
2016-03-28E.LechnerNF
no factor from 2^66 to 2^67
2014-06-06tscNF
no factor from 2^65 to 2^66
2010-05-10Architects CubedNF
no factor from 2^64 to 2^65