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

PrimeNet Exponent Status

Exponent Range:





MnDetails
2479523
Composite, with 4 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 263
Factored
FactorDigitsBitsDate
4959047722.2old
282665623928.12008-07-14 20:24:12
277756166471134.72008-07-14 20:24:12
213463283386691771754.22014-11-12 12:25:44
ECM
DigitsB1Curves
2550000145 / 280
Estimated T-Level: 22.6
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)
2017-10-14Oliver KruseDCD7A14D288B4CD84206033753
Verified
PRP without proof (not generated)
2017-10-15Yaroslav BerezhkoAFF03F9C4F373BED4013
Verified
PRP without proof (not generated)
2017-11-29storm5510DCD7A14D288B4CD8426759453
Verified
PRP without proof (not generated)
2017-12-04kkmrkkblmbrbkAFF03F9C4F373BED498514513
History
DateUserTypeResult
2019-07-04alpertronNF-PM1B1=2000000, B2=60000000, E=12
2017-12-04kkmrkkblmbrbkC-PRP
M2479523/4959047/282665623/27775616647/21346328338669177 : AFF03F9C4F373BED
2017-11-29storm5510C-PRP
M2479523/4959047/27775616647/282665623/21346328338669177 : DCD7A14D288B4CD8
2017-10-15Yaroslav BerezhkoC-PRPM2479523/4959047/282665623/27775616647/21346328338669177 : AFF03F9C4F373BED
2017-10-14Oliver KruseC-PRP
M2479523/4959047/27775616647/282665623/21346328338669177 : DCD7A14D288B4CD8
2014-11-12TJAOIFFactor: 21346328338669177
2008-07-14George WoltmanF-ECMFactor: 282665623
2008-07-14George WoltmanF-ECMFactor: 27775616647