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
142271111Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
39530160013501523716012271.72016-10-28 11:47:56
History
DateUserTypeResult
2016-10-28ConductorF
Factor: 3953016001350152371601 / TF: 71-72
2016-08-21Choi4KANGNF
no factor from 2^70 to 2^71
2016-07-10Choi4KANGNF
no factor from 2^69 to 2^70
2016-06-05Choi4KANGNF
no factor from 2^68 to 2^69
2016-03-25dbaughNF
no factor from 2^67 to 2^68
2015-02-23aurashiftNF
no factor from 2^66 to 2^67
2012-12-08Mr-PlonkNF
no factor from 2^65 to 2^66
2010-12-16sasaki3NF
no factor from 2^64 to 2^65
2010-06-16sasaki3NF
no factor from 2^63 to 2^64