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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
214573861Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
427833526451728413267192375.22024-11-27 15:55:11
History
DateUserTypeResult
2024-11-27SRBaseF
Factor: 42783352645172841326719 / TF: 75-76*
2023-05-19SRBaseNF
no factor from 2^74 to 2^75
2021-01-24Andrei PiaiveNF
no factor from 2^73 to 2^74
2020-10-27SRBaseNF
no factor from 2^72 to 2^73
2020-06-13SRBaseNF
no factor from 2^71 to 2^72
2018-06-26ZenghuiNF
no factor from 2^70 to 2^71
2018-05-31La GüiraNF
no factor from 2^69 to 2^70
2017-12-15rubikvn2100NF
no factor from 2^68 to 2^69
2016-08-31XZTNF
no factor from 2^67 to 2^68
2015-10-17Mr-PlonkNF
no factor from 2^66 to 2^67
2012-06-14america64NF
no factor from 2^65 to 2^66
2011-05-25sannerud.comNF
no factor from 2^64 to 2^65