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
2533681
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 268
TF target 263
Factored
FactorDigitsBitsDate
15202087823.9old
ECM
DigitsB1Curves
2550000192 / 280
Estimated T-Level: 23.4
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 KruseC036D4FDF4B4B58C1167087053
Verified
PRP without proof (not generated)
2017-12-01storm5510C036D4FDF4B4B58C137042853
History
DateUserTypeResult
2021-09-29Dylan DelgadoNF-PM1B1=3000000, B2=273000000
2019-07-04alpertronNF-PM1B1=2000000, B2=60000000, E=12
2017-12-01storm5510C-PRPM2533681/15202087 : C036D4FDF4B4B58C
2017-10-14Oliver KruseC-PRPM2533681/15202087 : C036D4FDF4B4B58C