Marin Mersenne 2^P-1
Username
Password
Forgot password?
White
Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:





MnDetails
2299837
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 268
TF target 262
Factored
FactorDigitsBitsDate
62325582711032.5old
ECM
DigitsB1Curves
2550000280 / 280
30250000120 / 640
Estimated T-Level: 25.9 ⓘ
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 KruseF04AA53CEE1444691013
Verified
PRP without proof (not generated)
2017-11-22storm5510F04AA53CEE144469155860513
History
DateUserTypeResult
2017-11-22storm5510C-PRP
M2299837/6232558271 : F04AA53CEE144469
2017-10-11Oliver KruseC-PRPM2299837/6232558271 : F04AA53CEE144469
2016-05-02alpertronNF-PM1B1=500000, B2=15000000, E=12