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

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MnStatusDetails
73589149Factored
FactorDigitsBitsDate
76461235638421337527044619892918052136119.22015-10-11 14:42:45
P-1 factors
DateFactorB1B2
2015-10-1176461235638421337527044619892918052167500014175000
History
DateUserTypeResult
2015-10-11TheJudgerF-PM1
Factor: 764612356384213375270446198929180521 / (P-1, B1=675000, B2=14175000, E=12)
2015-10-04el groccoNF
no factor from 2^73 to 2^74
2015-09-24RichD0NF
no factor from 2^72 to 2^73
2015-01-09RichD0NF
no factor from 2^71 to 2^72
2014-08-01Mark RoseNF
no factor from 2^70 to 2^71
2010-08-22-Anonymous-NF
no factor to 2^70