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
14407Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
130686473291133.6old
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000001255 / 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 KruseB29D2261D8E72AD51013
Verified2017-10-12kkmrkkblmbrbkB29D2261D8E72AD51622213
Verified2020-04-17Oliver Kruse43AFC85C57D1D257126853
Verified2024-07-01kkmrkkblmbrbk43AFC85C57D1D25711431453
History
DateUserTypeResult
2024-07-01kkmrkkblmbrbkC-PRP
M14407/13068647329 : 43AFC85C57D1D257
PRP: Verified
PRP without proof (small exponent)
2024-02-09-Anonymous-NF-PM1
B1=100000000000, B2=122154521813133810
2022-01-25Ethan O'ConnorNF-PM1
B1=2000000000, B2=31157297242401330
2022-01-24Ethan O'ConnorNF-PM1
B1=2000000000
2020-04-17Oliver KruseC-PRP
M14407/13068647329 : 43AFC85C57D1D257
PRP: Verified
PRP without proof (small exponent)
2017-10-12kkmrkkblmbrbkC-PRP
M14407/13068647329 : B29D2261D8E72AD5
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M14407/13068647329 : B29D2261D8E72AD5
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M14407/13068647329 : B29D2261D8E72AD5
PRP without proof (not generated)