Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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Exponent Range:










MnStatusDetails
36343Factored
FactorDigitsBitsDate
363431618.5old
339952423928.32008-08-26 19:59:37
185769636693211061901340233132993.92015-09-10 16:12:18
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
403000000642 / 4588
Estimated T-Level: 35.7
TF below 2^114 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-21Oliver KruseE4ED69FBB35CA8A93013
Verified2017-10-02kkmrkkblmbrbkE4ED69FBB35CA8A93013
Verified2017-12-07ATHE4ED69FBB35CA8A93967413
Unverified2020-04-17Oliver Kruse48D828168FE723__31368553
History
DateUserTypeResult
2022-04-30nordiNF-PM1
B1=2000000000, B2=406427480028570
2022-04-09nordiNF-PM1
B1=2000000000
2021-05-11ATHNF-PP1
Start=2/7, B1=100000000, B2=10000000000
2020-04-17Oliver KruseC-PRP
M36343/363431/339952423/18576963669321106190134023313 : 48D828168FE723__
PRP without proof (small exponent)
2017-12-07ATHC-PRP
M36343/363431/339952423/18576963669321106190134023313 : E4ED69FBB35CA8A9
PRP without proof (small exponent)
2017-10-02kkmrkkblmbrbkC-PRP
M36343/363431/339952423/18576963669321106190134023313 : E4ED69FBB35CA8A9
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M36343/known_factors : E4ED69FBB35CA8A9
PRP without proof (not generated)
2016-10-28kkmrkkblmbrbkNF-PM1
B1=200000000, B2=5000000000, E=12
2015-09-10James HintzF-ECM
Factor: 18576963669321106190134023313 / (ECM curve 74, B1=250000, B2=25000000)
2008-08-26-Anonymous-F
Factor: 339952423