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
192972163Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
165258413388739963618092373.82019-03-30 21:02:22
History
DateUserTypeResult
2019-03-30manrusF
Factor: 16525841338873996361809 / TF: 73-74
2019-03-25Torchwood InstituteNF
no factor from 2^72 to 2^73
2019-03-21ANONYMOUSNF
no factor from 2^71 to 2^72
2019-02-07Maciej KmieciakNF
no factor from 2^70 to 2^71
2018-12-01Chabot PrimeNF
no factor from 2^69 to 2^70
2017-08-16rmaximusNF
no factor from 2^68 to 2^69
2016-06-13XZTNF
no factor from 2^67 to 2^68
2015-09-05vwflat4NF
no factor from 2^66 to 2^67
2013-06-15subgeniusNF
no factor from 2^65 to 2^66
2011-04-16Sergej LevinNF
no factor from 2^64 to 2^65
2010-08-04Architects CubedNF
no factor from 2^63 to 2^64