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

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MnStatusDetails
191074489Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
145115377171374226061992373.62019-04-28 17:45:46
History
DateUserTypeResult
2019-04-28manrusF
Factor: 14511537717137422606199 / TF: 73-74
2019-04-26Johan ViljoenNF
no factor from 2^72 to 2^73
2019-02-23Johan ViljoenNF
no factor from 2^71 to 2^72
2019-01-07Johan ViljoenNF
no factor from 2^70 to 2^71
2018-11-20ZukoNF
no factor from 2^69 to 2^70
2017-02-17XZTNF
no factor from 2^68 to 2^69
2016-05-16XZTNF
no factor from 2^67 to 2^68
2015-08-30Mr-PlonkNF
no factor from 2^66 to 2^67
2013-06-11RichardNF
no factor from 2^65 to 2^66
2011-04-14Nathan EdingtonNF
no factor from 2^64 to 2^65
2010-08-03Torchwood InstituteNF
no factor from 2^63 to 2^64