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

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MnStatusDetails
104786761Factored
FactorDigitsBitsDate
496838888589718215503257272685.42021-07-16 13:35:42
P-1 factors
DateFactorB1B2
2021-07-1649683888858971821550325727650000650000
History
DateUserTypeResult
2021-07-16KrieselF-PM1
Factor: 49683888858971821550325727 / (P-1, B1=650000)
2021-03-28TheJudgerNF
no factor from 2^75 to 2^76
2021-03-28TheJudgerNF
no factor from 2^74 to 2^75
2020-04-01SRBaseNF
no factor from 2^73 to 2^74
2020-02-21Will HockensmithNF
no factor from 2^72 to 2^73
2018-01-10el groccoNF
no factor from 2^71 to 2^72
2015-01-09shaugeNF
no factor from 2^70 to 2^71
2015-01-09shaugeNF
no factor from 2^69 to 2^70
2014-05-16webbertNF
no factor from 2^68 to 2^69
2014-05-10webbertNF
no factor from 2^67 to 2^68
2013-09-09willmoreNF
no factor from 2^66 to 2^67
2012-05-08mmNF
no factor from 2^65 to 2^66
2010-08-28sasaki3NF
no factor from 2^64 to 2^65
2010-04-19sasaki3NF
no factor from 2^63 to 2^64