Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
78715829Factored
FactorDigitsBitsDate
567878192661907151145132375.62016-06-29 11:25:41
P-1 factors
DateFactorB1B2
2016-06-29567878192661907151145136650000
History
DateUserTypeResult
2016-06-29baseyF-PM1
Factor: 56787819266190715114513 / (P-1, B1=665000)
2016-06-16AirSquirrelsNF
no factor from 2^74 to 2^75
2016-06-16AirSquirrelsNF
no factor from 2^73 to 2^74
2016-06-16AirSquirrelsNF
no factor from 2^72 to 2^73
2015-09-04RichD0NF
no factor from 2^71 to 2^72
2013-06-26Alex DiamantopuloNF
no factor from 2^70 to 2^71
2010-11-25-Anonymous-NF
no factor from 2^69 to 2^70
2010-11-24-Anonymous-NF
no factor from 2^68 to 2^69
2010-11-24ANONYMOUSNF
no factor from 2^67 to 2^68
2010-11-16RhyledNF
no factor from 2^66 to 2^67
2010-11-15-Anonymous-NF
no factor from 2^65 to 2^66
2010-11-15Net_ForceNF
no factor from 2^64 to 2^65