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

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MnStatusDetails
75196183Factored
FactorDigitsBitsDate
331184915765053512974822921473046503937121.32016-01-17 03:05:31
P-1 factors
DateFactorB1B2
2016-01-17331184915765053512974822921473046503965500013100000
History
DateUserTypeResult
2016-01-17Craig MeyersF-PM1
Factor: 3311849157650535129748229214730465039 / (P-1, B1=655000, B2=13100000, E=12)
2015-12-23endless_mikeNF
no factor from 2^74 to 2^75
2015-12-23endless_mikeNF
no factor from 2^73 to 2^74
2015-12-23endless_mikeNF
no factor from 2^72 to 2^73
2015-08-31Judge HaleNF
no factor from 2^71 to 2^72
2014-02-23Houd Al-ObaidliNF
no factor from 2^70 to 2^71
2012-12-17tmorrowNF
no factor from 2^69 to 2^70
2010-10-06ManuelJCNF
no factor from 2^68 to 2^69
2010-10-05HatchNF
no factor from 2^67 to 2^68
2010-10-01runeskNF
no factor from 2^66 to 2^67
2010-09-30runeskNF
no factor from 2^65 to 2^66
2010-07-31TeraTismNF
no factor from 2^64 to 2^65