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
14197Composite, with 5 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
8177473723.0old
21806593824.42008-08-26 19:58:42
90945983826.42008-08-26 19:58:42
130811159927.02008-08-26 19:58:42
32791543181271341.62008-08-26 19:58:42
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000001263 / 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 Kruse24CEEB0405B552045013
Verified2017-10-02kkmrkkblmbrbk24CEEB0405B552045013
Verified2017-12-07ATH24CEEB0405B552045135713
Verified2020-04-17Oliver KruseC2EF9AB89DDDC85651403753
Verified2023-06-11LordJuliusC2EF9AB89DDDC8565767753
History
DateUserTypeResult
2023-11-30-Anonymous-NF-PM1
B1=100000000000, B2=122815096988293710
2023-06-11LordJuliusC-PRP
M14197/8177473/21806593/90945983/130811159/3279154318127 : C2EF9AB89DDDC856
PRP: Verified
PRP without proof (small exponent)
2023-05-24JacobZNF-PM1
B1=7700000000, B2=32522539163164050
2021-08-27Seth_TrNF-PM1
B1=400000000
2020-04-17Oliver KruseC-PRP
M14197/8177473/21806593/90945983/130811159/3279154318127 : C2EF9AB89DDDC856
PRP: Verified
PRP without proof (small exponent)
2017-12-07ATHC-PRP
M14197/8177473/21806593/90945983/130811159/3279154318127 : 24CEEB0405B55204
PRP: Verified
PRP without proof (small exponent)
2017-10-02kkmrkkblmbrbkC-PRP
M14197/8177473/21806593/90945983/130811159/3279154318127 : 24CEEB0405B55204
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M14197/8177473/21806593/90945983/130811159/3279154318127 : 24CEEB0405B55204
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M14197/8177473/21806593/90945983/130811159/3279154318127 : 24CEEB0405B55204
PRP without proof (not generated)
2008-08-26-Anonymous-F
Factor: 3279154318127
2008-08-26-Anonymous-F
Factor: 130811159
2008-08-26-Anonymous-F
Factor: 90945983
2008-08-26-Anonymous-F
Factor: 21806593