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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
213745691Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
393957684709965970912972375.12024-11-27 15:54:45
History
DateUserTypeResult
2024-11-27SRBaseF
Factor: 39395768470996597091297 / TF: 75-76*
2023-05-19SRBaseNF
no factor from 2^74 to 2^75
2021-01-02adamgmNF
no factor from 2^73 to 2^74
2020-10-25SRBaseNF
no factor from 2^72 to 2^73
2020-06-13SRBaseNF
no factor from 2^71 to 2^72
2020-01-22Chabot PrimeNF
no factor from 2^70 to 2^71
2019-02-06Niels_Mache_NextcloudNF
no factor from 2^69 to 2^70
2017-12-04John DeweyNF
no factor from 2^68 to 2^69
2013-12-15america64NF
no factor from 2^67 to 2^68
2013-01-11america64NF
no factor from 2^66 to 2^67
2012-05-15america64NF
no factor from 2^65 to 2^66
2011-05-24Charles A. MorrisNF
no factor from 2^64 to 2^65