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
2295313
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 268
TF target 262
Factored
FactorDigitsBitsDate
68859391826.0old
ECM
DigitsB1Curves
2550000280 / 280
30250000123 / 640
Estimated T-Level: 26.0 ⓘ
TF below 2^81 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 KruseF3E0247CC5859D821013
Verified
PRP without proof (not generated)
2017-11-22storm5510F3E0247CC5859D82178956513
History
DateUserTypeResult
2017-11-22storm5510C-PRPM2295313/68859391 : F3E0247CC5859D82
2017-10-11Oliver KruseC-PRPM2295313/68859391 : F3E0247CC5859D82
2016-04-26alpertronNF-PM1B1=500000, B2=15000000, E=12