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

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MnStatusDetails
106422691Factored
FactorDigitsBitsDate
19442863713572450581205832580.72021-04-21 20:30:40
P-1 factors
DateFactorB1B2
2021-04-2119442863713572450581205838200009840000
History
DateUserTypeResult
2021-04-21Ruslan BorisovF-PM1
Factor: 1944286371357245058120583 / (P-1, B1=820000, B2=9840000)
2021-04-04TheJudgerNF
no factor from 2^75 to 2^76
2021-04-04TheJudgerNF
no factor from 2^74 to 2^75
2020-05-01bayanneNF
no factor from 2^73 to 2^74
2020-03-28SRBaseNF
no factor from 2^72 to 2^73
2015-02-28Earle LoweNF
no factor from 2^71 to 2^72
2014-05-27Andreas_TruetschNF
no factor from 2^70 to 2^71
2013-09-23S04803NF
no factor from 2^69 to 2^70
2013-09-22SMoffatNF
no factor from 2^68 to 2^69
2013-09-15-Anonymous-NF
no factor from 2^67 to 2^68
2013-09-09processinfoNF
no factor from 2^66 to 2^67
2012-05-16omiXorpNF
no factor from 2^65 to 2^66
2010-09-04Mr-PlonkNF
no factor from 2^64 to 2^65
2010-04-27jemandNF
no factor from 2^63 to 2^64