Marin Mersenne 2^P-1
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GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
805355321Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
399177662477654473032065.12018-03-31 11:39:59
History
DateUserTypeResult
2018-03-31TJAOIF
Factor: 39917766247765447303 / TF: 65-66
2016-10-11ramgeisNF
no factor from 2^68 to 2^70
2015-06-17sasakiNF
no factor from 2^67 to 2^68
2014-12-06sasakiNF
no factor from 2^66 to 2^67
2012-02-13OS1NF
no factor from 2^65 to 2^66
2012-02-13OS1NF
no factor from 2^64 to 2^65
2010-07-13Architects CubedNF
no factor from 2^63 to 2^64