Marin Mersenne 2^P-1
Username
Password
Forgot password?
Black
Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
7229Composite, with 3 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
68465851266560391652.6old
30127247474055877047966178814666333107.92011-03-06 21:36:14
690405418742694244862356716131401734112.4old
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000002167 / 9201
Estimated T-Level: 41.2
TF below 2^132 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-21Oliver Kruse268694BAD52EE4683013
Verified2017-10-02kkmrkkblmbrbk268694BAD52EE4683013
Verified2017-12-07ATH268694BAD52EE4683301613
Verified2020-04-17Oliver Kruse4F963616C19037883401953
Verified2024-02-03Wentao Huang4F963616C19037883167253
History
DateUserTypeResult
2024-02-03Wentao HuangC-PRP
M7229/6846585126656039/6904054187426942448623567161314017/301272474740558770479661788146663 : 4F963616C1903788
PRP: Verified
PRP without proof (small exponent)
2023-08-26-Anonymous-NF-PM1
B1=33000000000, B2=136594664543487150
2021-12-16Lisander ViaeneNF-PM1
B1=100000000
2020-04-17Oliver KruseC-PRP
M7229/6846585126656039/301272474740558770479661788146663/6904054187426942448623567161314017 : 4F963616C1903788
PRP: Verified
PRP without proof (small exponent)
2017-12-07ATHC-PRP
M7229/6846585126656039/301272474740558770479661788146663/6904054187426942448623567161314017 : 268694BAD52EE468
PRP: Verified
PRP without proof (small exponent)
2017-10-02kkmrkkblmbrbkC-PRP
M7229/6846585126656039/301272474740558770479661788146663/6904054187426942448623567161314017 : 268694BAD52EE468
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M7229/known_factors : 268694BAD52EE468
PRP without proof (not generated)
2011-03-06James HintzF-ECM
Factor: 301272474740558770479661788146663