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
112797131Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
7565164449469641502750953432789.32021-11-26 08:59:27
P-1 factors
DateFactorB1B2
2021-11-2675651644494696415027509534345000004500000
History
DateUserTypeResult
2021-11-26Paul UnderwoodF-PM1
Factor: 756516444946964150275095343 / (P-1, B1=4500000)
2020-12-29arpcarNF
no factor from 2^76 to 2^77
2020-11-29arpcarNF
no factor from 2^75 to 2^76
2020-11-26arpcarNF
no factor from 2^74 to 2^75
2020-07-26Daniil TsarkovNF
no factor from 2^73 to 2^74
2020-04-21SRBaseNF
no factor from 2^72 to 2^73
2018-03-11el groccoNF
no factor from 2^71 to 2^72
2015-03-05vinculumNF
no factor from 2^70 to 2^71
2015-03-01La GüiraNF
no factor from 2^69 to 2^70
2015-02-18Preben SNF
no factor from 2^68 to 2^69
2015-02-11Preben SNF
no factor from 2^67 to 2^68
2014-11-11ANONYMOUSNF
no factor from 2^66 to 2^67
2012-06-02oodairaNF
no factor from 2^65 to 2^66
2010-09-26CommasterNF
no factor from 2^64 to 2^65
2010-05-05sasaki3NF
no factor from 2^63 to 2^64