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

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MnStatusDetails
105272087Factored
FactorDigitsBitsDate
877086867667094543735692376.22021-07-28 10:29:55
P-1 factors
DateFactorB1B2
2021-07-2887708686766709454373569766000766000
History
DateUserTypeResult
2021-07-28Denis PorvaF-PM1
Factor: 87708686766709454373569 / (P-1, B1=766000)
2021-03-28TheJudgerNF
no factor from 2^75 to 2^76
2021-03-28TheJudgerNF
no factor from 2^74 to 2^75
2020-04-02SRBaseNF
no factor from 2^73 to 2^74
2020-03-27SRBaseNF
no factor from 2^72 to 2^73
2015-01-08munsun_jangNF
no factor from 2^71 to 2^72
2014-10-26bunddogNF
no factor from 2^70 to 2^71
2014-10-26bunddogNF
no factor from 2^69 to 2^70
2014-10-25bunddogNF
no factor from 2^68 to 2^69
2014-10-25webbertNF
no factor from 2^67 to 2^68
2013-09-02mtNF
no factor from 2^66 to 2^67
2012-05-11sasaki3NF
no factor from 2^65 to 2^66
2010-08-31sasaki3NF
no factor from 2^64 to 2^65
2010-04-24RichardNF
no factor from 2^63 to 2^64