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

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MnStatusDetails
133000249Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
1213272517441068759231912476.72023-07-29 11:25:52
History
DateUserTypeResult
2024-06-09James HeinrichNF
no factor from 2^72 to 2^73
2023-07-29MirraF
Factor: 121327251744106875923191 / TF: 76-77
2023-07-29MirraNF
no factor from 2^75 to 2^76
2022-12-29SRBaseNF
no factor from 2^74 to 2^75
2021-07-22SRBaseNF
no factor from 2^73 to 2^74
2018-07-30timbitNF-PM1
B1=1365000, B2=41291250, E=6
2017-03-06ConductorNF
no factor from 2^72 to 2^73
2016-03-07NoWhereManNF
no factor from 2^71 to 2^72
2016-03-02CSLatDDNF
no factor from 2^70 to 2^71
2015-01-26La GüiraNF
no factor from 2^69 to 2^70
2014-07-26Andreas_TruetschNF
no factor from 2^68 to 2^69
2014-01-14mikrNF
no factor from 2^67 to 2^68
2014-01-14mikrNF
no factor from 2^66 to 2^67
2012-10-19Massimo Cappelli (ik5pwa)NF
no factor from 2^65 to 2^66
2010-11-21Torchwood InstituteNF
no factor from 2^64 to 2^65