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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
215521093Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
672868979650315695235212375.82024-11-27 15:56:28
History
DateUserTypeResult
2024-11-27SRBaseF
Factor: 67286897965031569523521 / TF: 75-76*
2023-05-20SRBaseNF
no factor from 2^74 to 2^75
2021-02-18LOBESNF
no factor from 2^73 to 2^74
2020-10-26SRBaseNF
no factor from 2^72 to 2^73
2018-05-29Leo DengNF
no factor from 2^71 to 2^72
2018-05-28hpadirNF
no factor from 2^70 to 2^71
2018-05-26hpadirNF
no factor from 2^69 to 2^70
2017-12-26goldenmemeNF
no factor from 2^68 to 2^69
2016-09-08tscNF
no factor from 2^67 to 2^68
2015-10-19tscNF
no factor from 2^66 to 2^67
2012-07-07america64NF
no factor from 2^65 to 2^66
2011-05-27carlos56NF
no factor from 2^64 to 2^65
2010-05-19Architects CubedNF
no factor from 2^63 to 2^64