Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
101499091Factored
FactorDigitsBitsDate
2280031940699933859463612477.62020-12-09 20:03:34
P-1 factors
DateFactorB1B2
2020-12-0922800319406999338594636175000025000000
History
DateUserTypeResult
2020-12-09ky0urakuF-PM1
Factor: 228003194069993385946361 / (P-1, B1=750000, B2=25000000)
2020-10-10TheJudgerNF
no factor from 2^75 to 2^76
2020-10-10TheJudgerNF
no factor from 2^74 to 2^75
2020-03-29SRBaseNF
no factor from 2^73 to 2^74
2020-03-23Dylan DelgadoNF
no factor from 2^72 to 2^73
2014-12-18g0bNF
no factor from 2^71 to 2^72
2013-09-05Le ComteNF
no factor from 2^70 to 2^71
2013-09-03Le ComteNF
no factor from 2^69 to 2^70
2013-09-02SMoffatNF
no factor from 2^68 to 2^69
2013-08-29PascalBieriNF
no factor from 2^67 to 2^68
2013-08-27PascalBieriNF
no factor from 2^66 to 2^67
2012-04-16Andrew BNF
no factor from 2^65 to 2^66
2010-08-14carlos56NF
no factor from 2^64 to 2^65
2010-03-291997rj7NF
no factor from 2^63 to 2^64