Marin Mersenne 2^P-1
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Finding World Record Primes Since 1996

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MnStatusDetails
104486209Factored
FactorDigitsBitsDate
2109616413982517767198595587047327494338124.02021-06-19 11:14:40
P-1 factors
DateFactorB1B2
2021-06-192109616413982517767198595587047327494387500018156250
History
DateUserTypeResult
2021-06-19Ben DeloF-PM1
Factor: 21096164139825177671985955870473274943 / (P-1, B1=875000, B2=18156250, E=12)
2021-02-201997rj7NF
no factor from 2^75 to 2^76
2021-02-18ixfd64NF
no factor from 2^74 to 2^75
2020-03-31SRBaseNF
no factor from 2^73 to 2^74
2020-03-17erick84mmNF
no factor from 2^72 to 2^73
2015-02-09g0bNF
no factor from 2^71 to 2^72
2014-11-03ANONYMOUSNF
no factor from 2^70 to 2^71
2014-07-31ObscureNF
no factor from 2^69 to 2^70
2014-07-26PascalBieriNF
no factor from 2^68 to 2^69
2014-07-19duklaNF
no factor from 2^67 to 2^68
2014-07-14Smok_bmv NF
no factor from 2^66 to 2^67
2012-05-06firereddNF
no factor from 2^65 to 2^66
2010-08-28Torchwood InstituteNF
no factor from 2^64 to 2^65
2010-04-18sasaki3NF
no factor from 2^63 to 2^64