Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
13147Composite, with 3 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
121714927926.9old
12990287771030.32008-08-26 19:58:40
32750871284100451333132271.52008-08-26 19:58:40
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000001385 / 9201
Estimated T-Level: 40.8
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 Kruse16751B0727F759873013
Verified2017-10-02kkmrkkblmbrbk16751B0727F759873013
Verified2017-12-07ATH16751B0727F7598731099713
Verified2020-04-17Oliver Kruse0E1110A2FA9F32163516953
Verified2024-07-01kkmrkkblmbrbk0E1110A2FA9F32163834653
History
DateUserTypeResult
2024-07-01kkmrkkblmbrbkC-PRP
M13147/121714927/1299028777/3275087128410045133313 : 0E1110A2FA9F3216
PRP: Verified
PRP without proof (small exponent)
2023-10-10-Anonymous-NF-PM1
B1=100000000000, B2=122154521813133810
2023-05-17JacobZNF-PM1
B1=8400000000, B2=34523926202766000
2022-02-05JossNF-PM1
B1=1000000, B2=3910366209750
2020-04-17Oliver KruseC-PRP
M13147/121714927/1299028777/3275087128410045133313 : 0E1110A2FA9F3216
PRP: Verified
PRP without proof (small exponent)
2017-12-07ATHC-PRP
M13147/121714927/1299028777/3275087128410045133313 : 16751B0727F75987
PRP: Verified
PRP without proof (small exponent)
2017-10-02kkmrkkblmbrbkC-PRP
M13147/121714927/1299028777/3275087128410045133313 : 16751B0727F75987
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M13147/121714927/1299028777/3275087128410045133313 : 16751B0727F75987
PRP without proof (not generated)
2008-08-26-Anonymous-F-ECM
Factor: 3275087128410045133313
2008-08-26-Anonymous-F
Factor: 1299028777