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
39367Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
76453863371032.8old
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000001329 / 4588
Estimated T-Level: 36.4
TF below 2^116 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-21Oliver KruseD910FF1611B502FC1013
Verified2017-09-21Oliver KruseD910FF1611B502FC1013
Verified2017-11-06kkmrkkblmbrbkD910FF1611B502FC12475513
Verified2020-04-17Oliver Kruse9CE492BC5107D72711161853
Verified2024-07-01kkmrkkblmbrbk9CE492BC5107D72713246553
History
DateUserTypeResult
2024-07-01kkmrkkblmbrbkC-PRP
M39367/7645386337 : 9CE492BC5107D727
PRP: Verified
PRP without proof (small exponent)
2022-08-04nordiNF-PM1
B1=2000000000, B2=401927737170960
2022-06-16nordiNF-PM1
B1=2000000000
2021-05-07ATHNF-PP1
Start=2/7, B1=100000000, B2=10000000000
2020-04-17Oliver KruseC-PRP
M39367/7645386337 : 9CE492BC5107D727
PRP: Verified
PRP without proof (small exponent)
2017-11-06kkmrkkblmbrbkC-PRP
M39367/7645386337 : D910FF1611B502FC
PRP: Verified
PRP without proof (small exponent)
2017-09-21Oliver KruseC-PRP
M39367/7645386337 : D910FF1611B502FC
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M39367/7645386337 : D910FF1611B502FC
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M39367/7645386337 : D910FF1611B502FC
PRP without proof (not generated)
2016-11-08kkmrkkblmbrbkNF-PM1
B1=200000000, B2=5000000000, E=12