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
10351459
Composite, with 2 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 268
Factored
FactorDigitsBitsDate
1232460728457948411856.8old
377679735723146332734472375.02020-05-10 17:17:36
ECM
DigitsB1Curves
255000043 / 280
Estimated T-Level: 20.8
TF below 2^64 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors
ShiftTypeBase
Factored
PRP without proof (not generated)
2020-04-25riccardo uberti28E64DE79136ED071296396353
Verified
PRP without proof (not generated)
2020-05-11riccardo uberti28E64DE79136ED072816936553
History
DateUserTypeResult
2025-12-01Sid & AndyNF-PM1B1=1700000, B2=1975096200
2021-07-14riccardo ubertiNF-PP1Start=2/7, B1=750000, B2=20000000
2021-07-14riccardo ubertiNF-PP1Start=6/5, B1=750000, B2=20000000
2020-05-11riccardo ubertiC-PRPM10351459/123246072845794841/37767973572314633273447 : 28E64DE79136ED07
2020-05-10riccardo ubertiF-ECMFactor: 37767973572314633273447 / ECM curve 4, B1=50000, B2=11760000, Montgomery Sigma=2554783259851018
2020-04-25riccardo ubertiC-PRPM10351459/123246072845794841 : 28E64DE79136ED07
2000-03-01Roy OswaldFFactor: 123246072845794841