Marin Mersenne 2^P-1
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GIMPS
Finding World Record Primes Since 1996

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Exponent Range:










MnStatusDetails
14629Composite, with 2 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
153231998554631443.8old
16837817128107901211960.52008-08-29 02:24:35
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000001258 / 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 Kruse7E7C45D9B12023D32013
Verified2017-10-12kkmrkkblmbrbk7E7C45D9B12023D321123613
Verified2020-04-17Oliver Kruse14BB47F2D37DA46421273253
Verified2024-07-01kkmrkkblmbrbk14BB47F2D37DA4642867853
History
DateUserTypeResult
2024-07-01kkmrkkblmbrbkC-PRP
M14629/15323199855463/1683781712810790121 : 14BB47F2D37DA464
PRP: Verified
PRP without proof (small exponent)
2024-03-07-Anonymous-NF-PM1
B1=100000000000, B2=122154521813133810
2023-05-25JacobZNF-PM1
B1=7400000000, B2=32522539163164050
2021-08-01ViliamFNF-PM1
B1=250000000, B2=42750000000
2020-04-17Oliver KruseC-PRP
M14629/15323199855463/1683781712810790121 : 14BB47F2D37DA464
PRP: Verified
PRP without proof (small exponent)
2017-10-12kkmrkkblmbrbkC-PRP
M14629/15323199855463/1683781712810790121 : 7E7C45D9B12023D3
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M14629/15323199855463/1683781712810790121 : 7E7C45D9B12023D3
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M14629/15323199855463/1683781712810790121 : 7E7C45D9B12023D3
PRP without proof (not generated)
2008-08-29-Anonymous-F-ECM
Factor: 1683781712810790121