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

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MnStatusDetails
98817259Factored
FactorDigitsBitsDate
43542214432599916087744718272386208936118.42019-10-17 02:15:46
P-1 factors
DateFactorB1B2
2019-10-1743542214432599916087744718272386208998500024378750
History
DateUserTypeResult
2019-10-17Ryan PropperF-PM1
Factor: 435422144325999160877447182723862089 / (P-1, B1=985000, B2=24378750, E=6)
2019-03-27Niels_Mache_NextcloudNF
no factor from 2^72 to 2^73
2018-06-24masserNF
no factor from 2^71 to 2^72
2015-04-06Josh FamestadNF
no factor from 2^70 to 2^71
2013-10-24sasakiNF
no factor from 2^69 to 2^70
2013-10-24sasakiNF
no factor from 2^68 to 2^69
2013-08-20oilwarzonedotcomNF
no factor from 2^67 to 2^68
2013-08-02SMoffatNF
no factor from 2^66 to 2^67
2013-07-29David CampeauNF
no factor from 2^65 to 2^66
2011-01-241997rj7NF
no factor from 2^64 to 2^65