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

PrimeNet Exponent Status

Exponent Range:





MnDetails
2482531
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 268
TF target 263
Factored
FactorDigitsBitsDate
20888414081623031650.9old
ECM
DigitsB1Curves
2550000131 / 280
Estimated T-Level: 22.3
TF below 2^69 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors
ShiftTypeBase
Verified
PRP without proof (not generated)
2017-10-14Oliver Kruse4FFF0DB46CD41BD2116518653
Verified
PRP without proof (not generated)
2017-11-29storm55104FFF0DB46CD41BD21134011353
History
DateUserTypeResult
2023-03-20Denial140NF-PM1B1=1000000, B2=6759673830
2022-08-18USAFSSNF-PM1B1=224000, B2=203668920
2017-11-29storm5510C-PRPM2482531/2088841408162303 : 4FFF0DB46CD41BD2
2017-10-14Oliver KruseC-PRPM2482531/2088841408162303 : 4FFF0DB46CD41BD2