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
2337901
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 268
TF target 262
Factored
FactorDigitsBitsDate
11595988971030.1old
ECM
DigitsB1Curves
2550000280 / 280
30250000145 / 640
Estimated T-Level: 26.1
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)
2017-10-12Oliver Kruse81F2EB02AB9BB61D1013
Verified
PRP without proof (not generated)
2017-11-23storm551081F2EB02AB9BB61D157878613
History
DateUserTypeResult
2021-04-12ViliamFNF-PM1B1=5000000, B2=505000000
2018-03-18alpertronNF-PM1B1=500000, B2=15000000, E=12
2017-11-23storm5510C-PRP
M2337901/1159598897 : 81F2EB02AB9BB61D
2017-10-12Oliver KruseC-PRPM2337901/1159598897 : 81F2EB02AB9BB61D