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
800433017Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
38772603358628217438172271.72019-12-03 17:25:50
History
DateUserTypeResult
2019-12-03ConductorF
Factor: 3877260335862821743817 / TF: 71-72
2019-12-03ConductorNF
no factor from 2^70 to 2^71
2016-08-16ramgeisNF
no factor from 2^68 to 2^70
2015-05-04sasakiNF
no factor from 2^67 to 2^68
2014-11-12sasakiNF
no factor from 2^66 to 2^67
2013-10-17america64NF
no factor from 2^65 to 2^66
2010-09-29Architects CubedNF
no factor from 2^64 to 2^65