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

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MnStatusDetails
99212903Factored
FactorDigitsBitsDate
28415737129527283451266151870464933107.82019-10-27 05:41:09
P-1 factors
DateFactorB1B2
2019-10-2728415737129527283451266151870464998000024745000
History
DateUserTypeResult
2019-10-27Ryan PropperF-PM1
Factor: 284157371295272834512661518704649 / (P-1, B1=980000, B2=24745000, E=6)
2019-05-02Niels_Mache_NextcloudNF
no factor from 2^72 to 2^73
2017-01-05monstNF
no factor from 2^71 to 2^72
2014-10-24shaugeNF
no factor from 2^70 to 2^71
2014-10-24shaugeNF
no factor from 2^69 to 2^70
2014-04-25KlikNF
no factor from 2^68 to 2^69
2014-04-19Carsten KossendeyNF
no factor from 2^66 to 2^68
2012-12-17Jimmy BrüggemannNF
no factor from 2^65 to 2^66
2010-12-061997rj7NF
no factor from 2^64 to 2^65