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
161199877Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
47413687005464551939032272.02018-06-17 07:15:58
History
DateUserTypeResult
2018-06-17Smok_bmv F
Factor: 4741368700546455193903 / TF: 72-73*
2017-10-22mikrNF
no factor from 2^71 to 2^72
2017-10-22mikrNF
no factor from 2^70 to 2^71
2017-02-03La GüiraNF
no factor from 2^69 to 2^70
2017-02-03La GüiraNF
no factor from 2^68 to 2^69
2016-03-17XZTNF
no factor from 2^67 to 2^68
2015-05-06vwflat4NF
no factor from 2^66 to 2^67
2013-02-25palNF
no factor from 2^65 to 2^66
2011-02-03steinrarNF
no factor from 2^64 to 2^65
2010-06-30Torchwood InstituteNF
no factor from 2^63 to 2^64