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
7129Composite, with 3 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
1867799720.8old
79736713459110246913096012582.7old
4089692790483954554323887880943932105.0old
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000004175 / 9201
Estimated T-Level: 42.3
TF below 2^135 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-21Oliver KruseA48EC3A60F560F103013
Verified2017-10-02kkmrkkblmbrbkA48EC3A60F560F103013
Verified2017-12-07ATHA48EC3A60F560F103223413
Verified2020-04-17Oliver KruseDA6D97FCBBF5B8CF330553
Verified2024-02-03Wentao HuangDA6D97FCBBF5B8CF395053
History
DateUserTypeResult
2024-02-03Wentao HuangC-PRP
M7129/1867799/7973671345911024691309601/40896927904839545543238878809439 : DA6D97FCBBF5B8CF
PRP: Verified
PRP without proof (small exponent)
2023-08-25-Anonymous-NF-PM1
B1=34000000000, B2=142096338314180250
2021-12-16Lisander ViaeneNF-PM1
B1=100000000
2020-04-17Oliver KruseC-PRP
M7129/1867799/7973671345911024691309601/40896927904839545543238878809439 : DA6D97FCBBF5B8CF
PRP: Verified
PRP without proof (small exponent)
2017-12-07ATHC-PRP
M7129/1867799/7973671345911024691309601/40896927904839545543238878809439 : A48EC3A60F560F10
PRP: Verified
PRP without proof (small exponent)
2017-10-02kkmrkkblmbrbkC-PRP
M7129/1867799/7973671345911024691309601/40896927904839545543238878809439 : A48EC3A60F560F10
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M7129/known_factors : A48EC3A60F560F10
PRP without proof (not generated)