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
129589531Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
38986525426144908626872271.72016-10-06 07:42:18
History
DateUserTypeResult
2024-08-11Jarod McClintockNF
no factor from 2^68 to 2^69
2016-10-06d3zorgF
Factor: 3898652542614490862687 / TF: 71-72
2016-10-04proxy2222NF
no factor from 2^70 to 2^71
2016-09-29workerthreadNF
no factor from 2^69 to 2^70
2016-05-02DerekNF
no factor from 2^68 to 2^69
2016-03-13proxy2222NF
no factor from 2^67 to 2^68
2015-01-14valkuxNF
no factor from 2^66 to 2^67
2012-12-06561NF
no factor from 2^65 to 2^66
2010-11-10Torchwood InstituteNF
no factor from 2^64 to 2^65
2010-05-31Torchwood InstituteNF
no factor from 2^63 to 2^64