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
2505043
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 268
TF target 263
Factored
FactorDigitsBitsDate
95213155575925911653.1old
ECM
DigitsB1Curves
2550000267 / 280
Estimated T-Level: 24.8
TF below 2^77 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 Kruse8B4D06CDAFABF2B8139377953
Verified
PRP without proof (not generated)
2017-11-30storm55108B4D06CDAFABF2B81190966253
History
DateUserTypeResult
2022-08-19USAFSSNF-PM1B1=240000, B2=199861200
2017-11-30storm5510C-PRPM2505043/9521315557592591 : 8B4D06CDAFABF2B8
2017-10-14Oliver KruseC-PRPM2505043/9521315557592591 : 8B4D06CDAFABF2B8