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
2320391
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 268
TF target 262
Factored
FactorDigitsBitsDate
15082541511030.5old
ECM
DigitsB1Curves
2550000280 / 280
30250000176 / 640
Estimated T-Level: 26.4
TF below 2^83 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 KruseE1B1C234036217671013
Verified
PRP without proof (not generated)
2017-11-23storm5510E1B1C234036217671176396213
History
DateUserTypeResult
2021-04-22ViliamFNF-PM1B1=5000000, B2=505000000
2018-03-05alpertronNF-PM1B1=500000, B2=15000000, E=12
2017-11-23storm5510C-PRPM2320391/1508254151 : E1B1C23403621767
2017-10-11Oliver KruseC-PRPM2320391/1508254151 : E1B1C23403621767