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
14323Composite, with 3 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
332207663928.3old
82251139454716491652.92008-08-26 19:58:42
16739399002172487770455932580.52008-08-29 02:24:34
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000001265 / 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 Kruse8F32B0E3EF278E483013
Verified2017-10-02kkmrkkblmbrbk8F32B0E3EF278E483013
Verified2017-12-07ATH8F32B0E3EF278E483260913
Verified2020-04-17Oliver Kruse74196247A955147631298753
Verified2024-07-01kkmrkkblmbrbk74196247A95514763113753
History
DateUserTypeResult
2024-07-01kkmrkkblmbrbkC-PRP
M14323/1673939900217248777045593/332207663/8225113945471649 : 74196247A9551476
PRP: Verified
PRP without proof (small exponent)
2023-11-30-Anonymous-NF-PM1
B1=100000000000, B2=122815096988293710
2023-05-24JacobZNF-PM1
B1=7600000000, B2=30020805351537000
2022-01-24Ethan O'ConnorNF-PM1
B1=1000000000, B2=3088390743498060
2020-04-17Oliver KruseC-PRP
M14323/332207663/8225113945471649/1673939900217248777045593 : 74196247A9551476
PRP: Verified
PRP without proof (small exponent)
2017-12-07ATHC-PRP
M14323/332207663/8225113945471649/1673939900217248777045593 : 8F32B0E3EF278E48
PRP: Verified
PRP without proof (small exponent)
2017-10-02kkmrkkblmbrbkC-PRP
M14323/332207663/8225113945471649/1673939900217248777045593 : 8F32B0E3EF278E48
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M14323/332207663/8225113945471649/1673939900217248777045593 : 8F32B0E3EF278E48
PRP without proof (not generated)
2008-08-29-Anonymous-F-ECM
Factor: 1673939900217248777045593
2008-08-26-Anonymous-F-PM1
Factor: 8225113945471649