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:





MnDetails
14929
Composite, with 3 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 244
Assignments
AssignedUserWork TypeStage% DoneUpdatedEst CompleteExpired
2026-04-09-anonymous-ECM2026-04-092026-04-11
Factored
FactorDigitsBitsDate
123970417926.9old
53577268911398521750252972582.12008-08-29 02:24:36
7173059026236514372407202690088932105.82017-07-22 14:49:20
P-1 factors
DateFactorsB1B2
2024-05-21No new factors discovered10000000000001401075893663576064
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000003227 / 9201
Estimated T-Level: 41.8
TF below 2^134 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors
ShiftTypeBase
Verified
No proof (small exponent)
2017-09-21Oliver KruseAD765DFE19B1BB343013
Verified
No proof (small exponent)
2017-10-02kkmrkkblmbrbkAD765DFE19B1BB343013
Verified
No proof (small exponent)
2017-12-07ATHAD765DFE19B1BB3431211813
Verified
No proof (small exponent)
2020-04-17Oliver Kruse7C89F0D142B404C03719253
Verified
No proof (small exponent)
2024-07-01kkmrkkblmbrbk7C89F0D142B404C03230153
History
DateUserTypeResult
2025-02-04masserNF-PP1Start=2/7, B1=355000000, B2=354645000000
2025-02-03masserNF-PP1Start=85/13, B1=355000000, B2=354645000000
2025-01-13masserNF-PP1Start=6/5, B1=355000000, B2=354645000000
2024-07-01kkmrkkblmbrbkC-PRP
M14929/123970417/5357726891139852175025297/71730590262365143724072026900889 : 7C89F0D142B404C0
2024-05-21Anton RepkoF-PM1Factor: 71730590262365143724072026900889 / B1=1000000000000, B2=1401075893663576130
2022-03-06Ethan O'ConnorNF-PM1B1=10000000000, B2=91693877413057920
2022-02-06ANONYMOUSNF-PM1B1=50000
2020-04-17Oliver KruseC-PRP
M14929/123970417/5357726891139852175025297/71730590262365143724072026900889 : 7C89F0D142B404C0
2017-12-07ATHC-PRP
M14929/123970417/5357726891139852175025297/71730590262365143724072026900889 : AD765DFE19B1BB34
2017-10-02kkmrkkblmbrbkC-PRPM14929/123970417/5357726891139852175025297/71730590262365143724072026900889 : AD765DFE19B1BB34
2017-09-21Oliver KruseC-PRPM14929/123970417/5357726891139852175025297/71730590262365143724072026900889 : AD765DFE19B1BB34
2017-09-21Oliver KruseC-PRPM14929/123970417/5357726891139852175025297/71730590262365143724072026900889 : AD765DFE19B1BB34
2017-07-22kkmrkkblmbrbkF-ECMFactor: 71730590262365143724072026900889
2008-08-29-anonymous-F-ECMFactor: 5357726891139852175025297