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
104532947Factored
FactorDigitsBitsDate
20557442541989092509812180632890.72021-07-12 04:45:52
P-1 factors
DateFactorB1B2
2021-07-12205574425419890925098121806390000017775000
History
DateUserTypeResult
2021-07-12Smok_bmv F-PM1
Factor: 2055744254198909250981218063 / (P-1, B1=900000, B2=17775000)
2021-02-25Yves de WandelaarNF
no factor from 2^75 to 2^76
2021-02-24lobsterfordinnerNF
no factor from 2^74 to 2^75
2020-03-31SRBaseNF
no factor from 2^73 to 2^74
2019-12-03CGHNF
no factor from 2^72 to 2^73
2019-01-18Niels_Mache_NextcloudNF
no factor from 2^71 to 2^72
2015-02-25Earle LoweNF
no factor from 2^70 to 2^71
2015-02-09Earle LoweNF
no factor from 2^69 to 2^70
2015-02-02Earle LoweNF
no factor from 2^68 to 2^69
2014-07-25Ryan PropperNF
no factor from 2^67 to 2^68
2014-07-24Preben SNF
no factor from 2^66 to 2^67
2012-05-05mmNF
no factor from 2^65 to 2^66
2010-08-27oodairaNF
no factor from 2^64 to 2^65
2010-04-18sasaki3NF
no factor from 2^63 to 2^64