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

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MnStatusDetails
192010883Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
211664947136018299634392374.22019-08-25 03:18:10
History
DateUserTypeResult
2024-05-06GregNF
no factor from 2^68 to 2^69
2019-08-25Smok_bmv F
Factor: 21166494713601829963439 / TF: 74-75*
2019-03-10workerthreadNF
no factor from 2^73 to 2^74
2019-02-11workerthreadNF
no factor from 2^72 to 2^73
2019-01-22workerthreadNF
no factor from 2^71 to 2^72
2018-12-29MatthaeusNF
no factor from 2^70 to 2^71
2018-11-27ANONYMOUSNF
no factor from 2^69 to 2^70
2016-11-28Josh FamestadNF
no factor from 2^68 to 2^69
2016-05-30XZTNF
no factor from 2^67 to 2^68
2015-09-02Dane KellyNF
no factor from 2^66 to 2^67
2013-06-15RichardNF
no factor from 2^65 to 2^66
2011-04-17James HeinrichNF
no factor from 2^64 to 2^65