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
17497Composite, with 5 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
419929618.7old
75866993826.22008-08-26 19:58:50
79816480278791342.92008-08-26 19:58:50
2114981784402078891857.62008-08-26 19:58:50
6140423544463488762412169.12008-10-16 23:57:27
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000001930 / 4588
Estimated T-Level: 37.1
TF below 2^118 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-21Oliver Kruse10CA135317E30FAE5013
Verified2017-10-02kkmrkkblmbrbk10CA135317E30FAE5013
Verified2017-12-07ATH10CA135317E30FAE51380013
Verified2020-04-17Oliver KruseA34D18C92142CE255401053
Verified2024-07-01kkmrkkblmbrbkA34D18C92142CE2551418653
History
DateUserTypeResult
2024-12-26masserNF-PP1
Start=151/37, B1=132000000, B2=131868000000
2024-12-16masserNF-PP1
Start=6/5, B1=132000000, B2=131868000000
2024-12-15masserNF-PP1
Start=2/7, B1=132000000, B2=131868000000
2024-07-01kkmrkkblmbrbkC-PRP
M17497/211498178440207889/419929/614042354446348876241/75866993/7981648027879 : A34D18C92142CE25
PRP: Verified
PRP without proof (small exponent)
2023-05-20JacobZNF-PM1
B1=6100000000, B2=17387415196261110
2021-08-27Seth_TrNF-PM1
B1=400000000
2020-04-17Oliver KruseC-PRP
M17497/419929/75866993/7981648027879/211498178440207889/614042354446348876241 : A34D18C92142CE25
PRP: Verified
PRP without proof (small exponent)
2017-12-07ATHC-PRP
M17497/419929/75866993/7981648027879/211498178440207889/614042354446348876241 : 10CA135317E30FAE
PRP: Verified
PRP without proof (small exponent)
2017-10-02kkmrkkblmbrbkC-PRP
M17497/419929/75866993/7981648027879/211498178440207889/614042354446348876241 : 10CA135317E30FAE
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M17497/419929/75866993/7981648027879/211498178440207889/614042354446348876241 : 10CA135317E30FAE
PRP: Verified
PRP without proof (not generated)
2008-10-16-Anonymous-F-ECM
Factor: 614042354446348876241
2008-08-26-Anonymous-F-ECM
Factor: 211498178440207889
2008-08-26-Anonymous-F
Factor: 7981648027879
2008-08-26-Anonymous-F
Factor: 75866993