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
2481841
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 268
TF target 263
Factored
FactorDigitsBitsDate
67704622491032.7old
ECM
DigitsB1Curves
2550000194 / 280
Estimated T-Level: 23.5
TF below 2^73 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 Kruse457A33BD32EAC20D160668653
Verified
PRP without proof (not generated)
2017-11-29storm5510457A33BD32EAC20D1226552653
History
DateUserTypeResult
2023-03-19Denial140NF-PM1B1=1000000, B2=6543255810
2022-08-18USAFSSNF-PM1B1=224000, B2=203668920
2017-11-29storm5510C-PRPM2481841/6770462249 : 457A33BD32EAC20D
2017-10-14Oliver KruseC-PRPM2481841/6770462249 : 457A33BD32EAC20D