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

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MnStatusDetails
91107361Factored
FactorDigitsBitsDate
15983407679588329617044472580.42019-04-29 01:36:23
P-1 factors
DateFactorB1B2
2019-04-2915983407679588329617044477000000
History
DateUserTypeResult
2019-04-29James HeinrichF-PM1
Factor: 1598340767958832961704447 / (P-1, B1=700000)
2019-02-17TheJudgerNF
no factor from 2^76 to 2^77
2018-12-09TheJudgerNF
no factor from 2^75 to 2^76
2018-12-09TheJudgerNF
no factor from 2^74 to 2^75
2017-12-23Tim SorberaNF
no factor from 2^73 to 2^74
2017-12-23Tim SorberaNF
no factor from 2^72 to 2^73
2017-02-18monstNF
no factor from 2^71 to 2^72
2014-09-05shaugeNF
no factor from 2^70 to 2^71
2014-06-28Mark FilipskiNF
no factor from 2^69 to 2^70
2014-06-17TobiasNF
no factor from 2^68 to 2^69
2014-06-15-Anonymous-NF
no factor from 2^67 to 2^68
2014-05-31-Anonymous-NF
no factor from 2^66 to 2^67
2011-10-30Shadowjd007NF
no factor from 2^65 to 2^66
2010-12-26Architects CubedNF
no factor from 2^64 to 2^65