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

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MnStatusDetails
185591251Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
75155540952371243469592272.72019-06-03 16:00:22
History
DateUserTypeResult
2019-06-03Samuel SchmidtF
Factor: 7515554095237124346959 / TF: 72-73
2019-02-02Oliver KruseNF
no factor from 2^71 to 2^72
2018-12-02DerekNF
no factor from 2^70 to 2^71
2018-10-28Chabot PrimeNF
no factor from 2^69 to 2^70
2017-06-29SFPeteNF
no factor from 2^68 to 2^69
2016-07-19Sam DupuisNF
no factor from 2^67 to 2^68
2015-08-13tscNF
no factor from 2^66 to 2^67
2013-05-20subgeniusNF
no factor from 2^65 to 2^66
2011-04-01Roman MaznichenkoNF
no factor from 2^64 to 2^65
2010-07-28Torchwood InstituteNF
no factor from 2^63 to 2^64