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
449003959Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
5389000380834260107512168.92016-12-16 14:13:54
History
DateUserTypeResult
2016-12-16ConductorF
Factor: 538900038083426010751 / TF: 68-69
2016-02-13sasakiNF
no factor from 2^66 to 2^68
2014-09-04sasaki3NF
no factor from 2^65 to 2^66
2012-01-28Team_InspectorNF
no factor from 2^64 to 2^65
2010-03-22Architects CubedNF
no factor from 2^63 to 2^64