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

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Exponent Range:





MnDetails
2333767
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 268
TF target 262
Factored
FactorDigitsBitsDate
37340273825.2old
ECM
DigitsB1Curves
2550000149 / 280
Estimated T-Level: 22.7
TF below 2^70 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 Kruse7857877E6E95C11C1013
Verified
PRP without proof (not generated)
2017-11-23storm55107857877E6E95C11C1216800013
History
DateUserTypeResult
2021-04-21ViliamFNF-PM1B1=5000000, B2=505000000
2018-03-18alpertronNF-PM1B1=500000, B2=15000000, E=12
2017-11-23storm5510C-PRPM2333767/37340273 : 7857877E6E95C11C
2017-10-12Oliver KruseC-PRPM2333767/37340273 : 7857877E6E95C11C