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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
998119061Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
561258057547595778172492375.62024-11-26 10:55:38
History
DateUserTypeResult
2024-11-26zhangst--chinaF
Factor: 56125805754759577817249 / TF: 75-76
2024-03-11JacobZNF
no factor from 2^74 to 2^75
2021-10-31Lisander ViaeneNF
no factor from 2^73 to 2^74
2021-01-11ViliamFNF
no factor from 2^72 to 2^73
2020-06-17Frank DoorninkNF
no factor from 2^71 to 2^72
2012-01-30lindeeNF
no factor from 2^69 to 2^71
2011-04-17lindeeNF
no factor from 2^67 to 2^69
2010-12-19lindeeNF
no factor from 2^66 to 2^67
2010-10-12lindeeNF
no factor from 2^65 to 2^66
2010-08-06lindedNF
no factor from 2^64 to 2^65