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

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MnStatusDetails
120168683Factored
FactorDigitsBitsDate
200667822825432684409334172684.12023-11-18 12:36:12
P-1 factors
DateFactorB1B2
2023-11-182006678228254326844093341758400027828780
History
DateUserTypeResult
2023-11-18Smok_bmv F-PM1
Factor: 20066782282543268440933417 / (P-1, B1=584000, B2=27828780)
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
2021-05-20gcardonaNF
no factor from 2^73 to 2^74
2020-10-25SRBaseNF
no factor from 2^72 to 2^73
2015-12-08caddrNF
no factor from 2^71 to 2^72
2015-12-08caddrNF
no factor from 2^70 to 2^71
2015-05-09SMoffatNF
no factor from 2^69 to 2^70
2015-04-25Mihai PredaNF
no factor from 2^68 to 2^69
2015-01-04caddrNF
no factor from 2^67 to 2^68
2013-03-28E.LechnerNF
no factor from 2^66 to 2^67
2012-08-08RichardNF
no factor from 2^65 to 2^66
2010-10-18OS1NF
no factor from 2^64 to 2^65
2010-05-16Torchwood InstituteNF
no factor from 2^63 to 2^64