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

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MnStatusDetails
120117859Factored
FactorDigitsBitsDate
20838647563727960578972270.82023-11-03 19:01:17
P-1 factors
DateFactorB1B2
2023-11-032083864756372796057897918000438071130
History
DateUserTypeResult
2023-11-03Sergey NosovF-PM1
Factor: 2083864756372796057897 / (P-1, B1=918000, B2=438071130)
2022-05-23TheJudgerNF
no factor from 2^76 to 2^77
2021-07-11TheJudgerNF
no factor from 2^75 to 2^76
2021-07-11TheJudgerNF
no factor from 2^74 to 2^75
2021-05-12gcardonaNF
no factor from 2^73 to 2^74
2020-10-20SRBaseNF
no factor from 2^72 to 2^73
2015-07-04endless_mikeNF
no factor from 2^71 to 2^72
2015-05-01-Anonymous-NF
no factor from 2^70 to 2^71
2015-04-25Mihai PredaNF
no factor from 2^69 to 2^70
2014-12-21caddrNF
no factor from 2^68 to 2^69
2013-03-24E.LechnerNF
no factor from 2^67 to 2^68
2013-03-21E.LechnerNF
no factor from 2^66 to 2^67
2012-08-06RichardNF
no factor from 2^65 to 2^66
2010-10-18Dalos LeeNF
no factor from 2^64 to 2^65
2010-05-16Torchwood InstituteNF
no factor from 2^63 to 2^64