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
257262043Factored
FactorDigitsBitsDate
197690435612130128837212374.12022-09-10 04:13:58
History
DateUserTypeResult
2022-09-10Smok_bmv F
Factor: 19769043561213012883721 / TF: 74-75*
2022-02-21SRBaseNF
no factor from 2^73 to 2^74
2020-11-24SRBaseNF
no factor from 2^72 to 2^73
2020-07-04SRBaseNF
no factor from 2^71 to 2^72
2020-05-02SRBaseNF
no factor from 2^70 to 2^71
2019-04-28dinausaur.chNF
no factor from 2^69 to 2^70
2018-06-15Dave BellNF
no factor from 2^68 to 2^69
2016-05-11XZTNF
no factor from 2^67 to 2^68
2015-12-17kevshawNF
no factor from 2^66 to 2^67
2013-11-18RichardNF
no factor from 2^65 to 2^66
2011-08-07oilwarzonedotcomNF
no factor from 2^64 to 2^65
2010-03-11RichardNF
no factor from 2^63 to 2^64
2010-03-11RichardNF
no factor from 2^62 to 2^63