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
9739Composite, with 3 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
263751599928.0old
936598850891136.4old
25990882280293253078600542332441724736117.6old
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000009201 / 9201
50440000006764 / 16550
Estimated T-Level: 47.0
TF below 2^151 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-21Oliver KruseEC0C1B72925032FB3013
Verified2017-10-02kkmrkkblmbrbkEC0C1B72925032FB3013
Verified2017-12-07ATHEC0C1B72925032FB3962713
Verified2020-04-17Oliver Kruse01CE9595C58BC9AC3524253
Verified2024-07-01kkmrkkblmbrbk01CE9595C58BC9AC3154353
History
DateUserTypeResult
2024-07-01kkmrkkblmbrbkC-PRP
M9739/259908822802932530786005423324417247/263751599/93659885089 : 01CE9595C58BC9AC
PRP: Verified
PRP without proof (small exponent)
2023-06-18JacobZNF-PM1
B1=59000000000, B2=250256095608669150
2020-09-26nordiNF-PM1
B1=2103220205, B2=67303046573, E=12
2020-04-17Oliver KruseC-PRP
M9739/263751599/93659885089/259908822802932530786005423324417247 : 01CE9595C58BC9AC
PRP: Verified
PRP without proof (small exponent)
2017-12-07ATHC-PRP
M9739/263751599/93659885089/259908822802932530786005423324417247 : EC0C1B72925032FB
PRP: Verified
PRP without proof (small exponent)
2017-10-02kkmrkkblmbrbkC-PRP
M9739/263751599/93659885089/259908822802932530786005423324417247 : EC0C1B72925032FB
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M9739/known_factors : EC0C1B72925032FB
PRP without proof (not generated)