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
2264719
Composite, with 2 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 262
Factored
FactorDigitsBitsDate
480346899911135.5old
3174456622311238.22008-07-14 20:22:31
ECM
DigitsB1Curves
2550000280 / 280
30250000164 / 640
Estimated T-Level: 26.3
TF below 2^82 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors
ShiftTypeBase
Verified
PRP without proof (not generated)
2017-10-11Oliver Kruse32FBD71F929A11562013
Verified
PRP without proof (not generated)
2017-11-21storm551032FBD71F929A11562148977113
History
DateUserTypeResult
2017-11-21storm5510C-PRPM2264719/48034689991/317445662231 : 32FBD71F929A1156
2017-10-11Oliver KruseC-PRPM2264719/48034689991/317445662231 : 32FBD71F929A1156
2016-04-21alpertronNF-PM1B1=500000, B2=15000000, E=12
2008-07-14George WoltmanF-ECMFactor: 317445662231