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

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MnStatusDetails
919895377Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
438111192161816505122472375.22024-11-26 07:35:30
History
DateUserTypeResult
2024-11-26Dmitry BolshakovF
Factor: 43811119216181650512247 / TF: 75-76*
2024-07-05SRBaseNF
no factor from 2^74 to 2^75
2024-05-31James HeinrichNF
no factor from 2^69 to 2^70
2022-07-25sasakiNF
no factor from 2^73 to 2^74
2021-06-24SRBaseNF
no factor from 2^72 to 2^73
2020-11-23srow7NF
no factor from 2^71 to 2^72
2019-06-17YxinityNF
no factor from 2^70 to 2^71
2018-01-27ConductorNF
no factor from 2^69 to 2^70
2017-04-20Mark RoseNF
no factor from 2^68 to 2^69
2016-07-23ConductorNF
no factor from 2^67 to 2^68
2015-10-18ConductorNF
no factor from 2^66 to 2^67
2013-05-01america64NF
no factor from 2^65 to 2^66
2011-09-08lindedNF
no factor from 2^64 to 2^65
2010-06-21lindedNF
no factor from 2^63 to 2^64