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:










MnStatusDetails
7927Composite, with 3 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
11545466227211340.1old
11633473842231340.1old
3442222402778889786043504072788.2old
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000006036 / 9201
Estimated T-Level: 43.3
TF below 2^139 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-21Oliver KruseE8AE4260A80FA7003013
Verified2017-10-02kkmrkkblmbrbkE8AE4260A80FA7003013
Verified2017-12-07ATHE8AE4260A80FA7003256013
Verified2020-04-17Oliver KruseA7566ADFBD576BEF3694653
Verified2024-07-01kkmrkkblmbrbkA7566ADFBD576BEF3370853
History
DateUserTypeResult
2024-07-01kkmrkkblmbrbkC-PRP
M7927/1154546622721/1163347384223/344222240277888978604350407 : A7566ADFBD576BEF
PRP: Verified
PRP without proof (small exponent)
2023-05-23JacobZNF-PM1
B1=60000000000, B2=244568457101868900
2021-01-23JossNF-PM1
B1=128000000, B2=1310720000000, E=12
2021-01-19JossNF-PM1
B1=128000000, B2=32768000000, E=12
2020-04-17Oliver KruseC-PRP
M7927/1154546622721/1163347384223/344222240277888978604350407 : A7566ADFBD576BEF
PRP: Verified
PRP without proof (small exponent)
2017-12-07ATHC-PRP
M7927/1154546622721/1163347384223/344222240277888978604350407 : E8AE4260A80FA700
PRP: Verified
PRP without proof (small exponent)
2017-10-02kkmrkkblmbrbkC-PRP
M7927/1154546622721/1163347384223/344222240277888978604350407 : E8AE4260A80FA700
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M7927/known_factors : E8AE4260A80FA700
PRP without proof (not generated)