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
10973Composite, with 5 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
65839516.0old
153623617.22008-08-26 19:58:33
18434641824.12008-08-26 19:58:33
57560938898131031652.42008-08-26 19:58:33
14101074373394350731960.32008-08-29 02:24:26
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000003027 / 9201
Estimated T-Level: 41.6
TF below 2^133 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-21Oliver KruseA9B865F079422DD05013
Verified2017-10-02kkmrkkblmbrbkA9B865F079422DD05013
Verified2017-10-12kkmrkkblmbrbkA9B865F079422DD05598413
Verified2020-04-17Oliver Kruse70764FA909394A625199553
Verified2024-07-01kkmrkkblmbrbk70764FA909394A625375553
History
DateUserTypeResult
2024-07-01kkmrkkblmbrbkC-PRP
M10973/1410107437339435073/153623/18434641/5756093889813103/65839 : 70764FA909394A62
PRP: Verified
PRP without proof (small exponent)
2022-12-29-Anonymous-NF-PM1
B1=100000000000, B2=122192573512709700
2021-08-27Seth_TrNF-PM1
B1=400000000
2020-04-17Oliver KruseC-PRP
M10973/65839/153623/18434641/5756093889813103/1410107437339435073 : 70764FA909394A62
PRP: Verified
PRP without proof (small exponent)
2017-10-12kkmrkkblmbrbkC-PRP
M10973/65839/153623/18434641/5756093889813103/1410107437339435073 : A9B865F079422DD0
PRP: Verified
PRP without proof (not generated)
2017-10-02kkmrkkblmbrbkC-PRP
M10973/65839/153623/18434641/5756093889813103/1410107437339435073 : A9B865F079422DD0
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M10973/65839/153623/18434641/5756093889813103/1410107437339435073 : A9B865F079422DD0
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M10973/65839/153623/18434641/5756093889813103/1410107437339435073 : A9B865F079422DD0
PRP without proof (not generated)
2016-09-07kkmrkkblmbrbkNF-PM1
B1=100000000, B2=10000000000, E=12
2008-08-29-Anonymous-F-ECM
Factor: 1410107437339435073
2008-08-26-Anonymous-F-PM1
Factor: 5756093889813103
2008-08-26-Anonymous-F
Factor: 18434641
2008-08-26-Anonymous-F
Factor: 153623