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

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MnStatusDetails
89200777Factored
FactorDigitsBitsDate
85181241864268128140743964483526935336119.42018-10-25 11:36:33
P-1 factors
DateFactorB1B2
2018-10-2585181241864268128140743964483526935372500013956250
History
DateUserTypeResult
2018-10-25BattlemaxxF-PM1
Factor: 851812418642681281407439644835269353 / (P-1, B1=725000, B2=13956250, E=6)
2018-09-30TheJudgerNF
no factor from 2^75 to 2^76
2018-09-30TheJudgerNF
no factor from 2^74 to 2^75
2017-08-22RichD0NF
no factor from 2^73 to 2^74
2017-08-14Mark RoseNF
no factor from 2^72 to 2^73
2017-07-06monstNF
no factor from 2^71 to 2^72
2014-11-28SMoffatNF
no factor from 2^70 to 2^71
2014-01-26lhuntNF
no factor from 2^69 to 2^70
2013-12-02-Anonymous-NF
no factor from 2^68 to 2^69
2013-11-23NoWhereManNF
no factor from 2^67 to 2^68
2013-11-13AxelssonNF
no factor from 2^66 to 2^67
2013-09-12Cow_tippingNF
no factor from 2^65 to 2^66
2010-11-08Architects CubedNF
no factor from 2^64 to 2^65