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

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MnStatusDetails
191447143Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
388666922533623549186172375.02024-09-28 04:45:55
History
DateUserTypeResult
2024-09-28La GüiraF
Factor: 38866692253362354918617 / TF: 75-76
2023-04-19SRBaseNF
no factor from 2^74 to 2^75
2019-10-28StevenNF
no factor from 2^73 to 2^74
2019-10-28JMGarciaNF
no factor from 2^72 to 2^73
2019-04-22JerryNF
no factor from 2^71 to 2^72
2018-12-28Yoshi24517NF
no factor from 2^70 to 2^71
2018-11-21Chabot PrimeNF
no factor from 2^69 to 2^70
2017-02-19XZTNF
no factor from 2^68 to 2^69
2016-05-21XZTNF
no factor from 2^67 to 2^68
2015-08-31sky_windhNF
no factor from 2^66 to 2^67
2013-06-12RichardNF
no factor from 2^65 to 2^66
2011-04-12hentorboehNF
no factor from 2^64 to 2^65
2010-08-04Architects CubedNF
no factor from 2^63 to 2^64