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

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MnStatusDetails
75172561Factored
FactorDigitsBitsDate
1111811522574623055490092476.62016-01-06 08:43:52
P-1 factors
DateFactorB1B2
2016-01-061111811522574623055490096200000
History
DateUserTypeResult
2016-01-06guruF-PM1
Factor: 111181152257462305549009 / (P-1, B1=620000)
2015-12-20TheJudgerNF
no factor from 2^74 to 2^75
2015-12-20TheJudgerNF
no factor from 2^73 to 2^74
2015-12-20TheJudgerNF
no factor from 2^72 to 2^73
2015-09-01Judge HaleNF
no factor from 2^71 to 2^72
2014-03-03sasakiNF
no factor from 2^70 to 2^71
2012-12-14-Anonymous-NF
no factor from 2^69 to 2^70
2010-08-13-Anonymous-NF
no factor from 2^68 to 2^69
2010-08-08arnaudNF
no factor from 2^67 to 2^68
2010-08-06vasanthNF
no factor from 2^66 to 2^67
2010-08-05DanieleNF
no factor from 2^65 to 2^66
2010-07-30ANONYMOUSNF
no factor from 2^64 to 2^65