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

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MnStatusDetails
21791897Factored
FactorDigitsBitsDate
5500547693611139664977032478.92022-01-23 08:07:28
LL
StatusDateUserResidueShift
Verified (Factored)2004-04-29Peter van den BoogertAAC5D66FA7EBD83C2618267
Verified (Factored)2009-02-20Hairy BearAAC5D66FA7EBD83C7408806
P-1 factors
DateFactorB1B2
2022-01-2355005476936111396649770380000042489000
History
DateUserTypeResult
2022-01-23bayanneF-PM1
Factor: 550054769361113966497703 / (P-1, B1=800000, B2=42489000)
2021-10-02TheJudgerNF
no factor from 2^73 to 2^74
2021-09-06TheJudgerNF
no factor from 2^72 to 2^73
2021-09-06TheJudgerNF
no factor from 2^71 to 2^72
2021-09-06TheJudgerNF
no factor from 2^70 to 2^71
2018-05-03ramgeisNF
no factor from 2^69 to 2^70
2017-12-04VictordeHollanderNF
no factor from 2^68 to 2^69
2017-05-01ramgeisNF
no factor from 2^67 to 2^68
2009-02-20Hairy BearC-LL
AAC5D66FA7EBD83C