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
153014311Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
1210346252087764226118792476.72025-01-06 07:59:01
History
DateUserTypeResult
2025-01-060xF
Factor: 121034625208776422611879 / TF: 76-77
2024-08-07SRBaseNF
no factor from 2^75 to 2^76
2023-02-14SRBaseNF
no factor from 2^74 to 2^75
2021-11-14SRBaseNF
no factor from 2^73 to 2^74
2017-07-29Michael.ReillyNF
no factor from 2^72 to 2^73
2017-07-25PALKOTAMASNF
no factor from 2^71 to 2^72
2017-07-23PALKOTAMASNF
no factor from 2^70 to 2^71
2014-09-27La GüiraNF
no factor from 2^69 to 2^70
2014-09-27La GüiraNF
no factor from 2^68 to 2^69
2014-09-27La GüiraNF
no factor from 2^66 to 2^68
2013-01-28RichardNF
no factor from 2^65 to 2^66
2011-01-18UschinatorNF
no factor from 2^64 to 2^65
2010-06-24Torchwood InstituteNF
no factor from 2^63 to 2^64