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

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
10267Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
354914789511135.0old
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000001282 / 9201
Estimated T-Level: 40.7
TF below 2^130 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-21Oliver Kruse34DB1B479FE5C1261013
Verified2017-10-12kkmrkkblmbrbk34DB1B479FE5C1261163413
Verified2020-04-17Oliver Kruse60D957349F9F104E1400153
Verified2024-07-01kkmrkkblmbrbk60D957349F9F104E1505253
History
DateUserTypeResult
2024-07-01kkmrkkblmbrbkC-PRP
M10267/35491478951 : 60D957349F9F104E
PRP: Verified
PRP without proof (small exponent)
2022-10-22-Anonymous-NF-PM1
B1=100000000000, B2=121570702234581600
2021-08-01ViliamFNF-PM1
B1=250000000, B2=40250000000
2020-04-17Oliver KruseC-PRP
M10267/35491478951 : 60D957349F9F104E
PRP: Verified
PRP without proof (small exponent)
2017-10-12kkmrkkblmbrbkC-PRP
M10267/35491478951 : 34DB1B479FE5C126
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M10267/35491478951 : 34DB1B479FE5C126
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M10267/35491478951 : 34DB1B479FE5C126
PRP without proof (not generated)
2016-09-07kkmrkkblmbrbkNF-PM1
B1=100000000, B2=10000000000, E=12