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
196898783Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
132288158514401754369532373.52019-05-25 15:34:32
History
DateUserTypeResult
2019-05-25manrusF
Factor: 13228815851440175436953 / TF: 73-74
2019-05-16Alvin BunkNF
no factor from 2^72 to 2^73
2019-04-06lobsterfordinnerNF
no factor from 2^71 to 2^72
2019-01-29Niels_Mache_NextcloudNF
no factor from 2^70 to 2^71
2017-02-12Choi4KANGNF
no factor from 2^69 to 2^70
2017-01-20Choi4KANGNF
no factor from 2^68 to 2^69
2016-01-29laleraNF
no factor from 2^67 to 2^68
2015-09-16Mr-PlonkNF
no factor from 2^66 to 2^67
2013-06-29sasaki3NF
no factor from 2^65 to 2^66
2011-04-23dslNF
no factor from 2^64 to 2^65
2010-08-07Torchwood InstituteNF
no factor from 2^63 to 2^64