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
14929Composite, with 3 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
123970417926.9old
53577268911398521750252972582.12008-08-29 02:24:36
7173059026236514372407202690088932105.82017-07-22 14:49:20
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000001315 / 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 KruseAD765DFE19B1BB343013
Verified2017-10-02kkmrkkblmbrbkAD765DFE19B1BB343013
Verified2017-12-07ATHAD765DFE19B1BB3431211813
Verified2020-04-17Oliver Kruse7C89F0D142B404C03719253
Verified2024-07-01kkmrkkblmbrbk7C89F0D142B404C03230153
P-1 factors
DateFactorB1B2
2024-05-217173059026236514372407202690088910000000000001401075893663576064
History
DateUserTypeResult
2024-07-01kkmrkkblmbrbkC-PRP
M14929/123970417/5357726891139852175025297/71730590262365143724072026900889 : 7C89F0D142B404C0
PRP: Verified
PRP without proof (small exponent)
2024-05-21Anton RepkoF-PM1
Factor: 71730590262365143724072026900889 / (P-1, B1=1000000000000, B2=1401075893663576130)
2022-03-06Ethan O'ConnorNF-PM1
B1=10000000000, B2=91693877413057920
2022-02-06Lisander ViaeneNF-PM1
B1=50000
2020-04-17Oliver KruseC-PRP
M14929/123970417/5357726891139852175025297/71730590262365143724072026900889 : 7C89F0D142B404C0
PRP: Verified
PRP without proof (small exponent)
2017-12-07ATHC-PRP
M14929/123970417/5357726891139852175025297/71730590262365143724072026900889 : AD765DFE19B1BB34
PRP: Verified
PRP without proof (small exponent)
2017-10-02kkmrkkblmbrbkC-PRP
M14929/123970417/5357726891139852175025297/71730590262365143724072026900889 : AD765DFE19B1BB34
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M14929/123970417/5357726891139852175025297/71730590262365143724072026900889 : AD765DFE19B1BB34
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M14929/123970417/5357726891139852175025297/71730590262365143724072026900889 : AD765DFE19B1BB34
PRP without proof (not generated)
2017-07-22kkmrkkblmbrbkF-ECM
Factor: 71730590262365143724072026900889 / (ECM curve 1053, B1=1000000, B2=100000000)
2008-08-29-Anonymous-F-ECM
Factor: 5357726891139852175025297