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

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MnStatusDetails
101422999Factored
FactorDigitsBitsDate
215402773461998926492135101351131100.82020-12-02 07:38:43
P-1 factors
DateFactorB1B2
2020-12-02215402773461998926492135101351150000012500000
History
DateUserTypeResult
2020-12-02ky0urakuF-PM1
Factor: 2154027734619989264921351013511 / (P-1, B1=500000, B2=12500000)
2020-10-10TheJudgerNF
no factor from 2^75 to 2^76
2020-10-10TheJudgerNF
no factor from 2^74 to 2^75
2020-03-27Hans LoeblichNF
no factor from 2^73 to 2^74
2019-11-22B3v4gy0kNF
no factor from 2^72 to 2^73
2017-09-25el groccoNF
no factor from 2^71 to 2^72
2015-01-13Brandon VincentNF
no factor from 2^70 to 2^71
2014-07-16SMoffatNF
no factor from 2^69 to 2^70
2014-07-12SMoffatNF
no factor from 2^68 to 2^69
2014-07-09SMoffatNF
no factor from 2^67 to 2^68
2013-10-25g0bNF
no factor from 2^66 to 2^67
2012-04-15Torchwood InstituteNF
no factor from 2^65 to 2^66
2010-08-13OS1NF
no factor from 2^64 to 2^65
2010-03-081997rj7NF
no factor from 2^63 to 2^64