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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
211847957Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
512048507399659448567292375.42024-11-27 15:54:10
History
DateUserTypeResult
2024-11-27SRBaseF
Factor: 51204850739965944856729 / TF: 75-76*
2023-05-11SRBaseNF
no factor from 2^74 to 2^75
2022-03-19LordJuliusNF
no factor from 2^61 to 2^64
2020-11-20adamgmNF
no factor from 2^73 to 2^74
2020-11-17SRBaseNF
no factor from 2^72 to 2^73
2020-06-12SRBaseNF
no factor from 2^71 to 2^72
2020-01-01Jan KuipersNF
no factor from 2^70 to 2^71
2019-02-06Niels_Mache_NextcloudNF
no factor from 2^69 to 2^70
2017-11-20tmorrowNF
no factor from 2^68 to 2^69
2016-08-27XZTNF
no factor from 2^67 to 2^68
2015-10-16YxinityNF
no factor from 2^66 to 2^67
2013-08-15HardyP GermanyNF
no factor from 2^65 to 2^66
2011-05-20OS1NF
no factor from 2^64 to 2^65