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
13999Composite, with 4 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
139991617.1old
20373652781662590711960.82008-08-29 02:24:33
2345348151764533130373592477.62008-08-29 02:24:33
598955469053989342850042409372995.62010-07-03 13:20:21
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000001324 / 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 Kruse36C3201F85FE336D4013
Verified2017-10-02kkmrkkblmbrbk36C3201F85FE336D4013
Verified2017-12-07ATH36C3201F85FE336D4973013
Verified2020-04-17Oliver Kruse67FDE02EA565C4C94706853
Verified2024-07-01kkmrkkblmbrbk67FDE02EA565C4C94788053
P-1 factors
DateFactorB1B2
2023-11-30122029107581838317435999948266404839815245789527100000000000124499752678561264
History
DateUserTypeResult
2024-07-01kkmrkkblmbrbkC-PRP
M13999/139991/2037365278166259071/234534815176453313037359/59895546905398934285004240937 : 67FDE02EA565C4C9
PRP: Verified
PRP without proof (small exponent)
2023-11-30-Anonymous-F-PM1
Factors: 2037365278166259071,59895546905398934285004240937 / (P-1, B1=100000000000, B2=124499752678561260)
2023-05-22JacobZNF-PM1
B1=7800000000, B2=32022192391138950
2023-02-11USAFSSNF-PM1
B1=30000000, B2=2010341563230
2022-02-06Lisander ViaeneNF-PM1
B1=50000
2020-04-17Oliver KruseC-PRP
M13999/139991/2037365278166259071/234534815176453313037359/59895546905398934285004240937 : 67FDE02EA565C4C9
PRP: Verified
PRP without proof (small exponent)
2017-12-07ATHC-PRP
M13999/139991/2037365278166259071/234534815176453313037359/59895546905398934285004240937 : 36C3201F85FE336D
PRP: Verified
PRP without proof (small exponent)
2017-10-02kkmrkkblmbrbkC-PRP
M13999/139991/2037365278166259071/234534815176453313037359/59895546905398934285004240937 : 36C3201F85FE336D
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M13999/139991/2037365278166259071/234534815176453313037359/59895546905398934285004240937 : 36C3201F85FE336D
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M13999/139991/2037365278166259071/234534815176453313037359/59895546905398934285004240937 : 36C3201F85FE336D
PRP without proof (not generated)
2010-07-03James HintzF-ECM
Factor: 59895546905398934285004240937
2008-08-29-Anonymous-F-ECM
Factor: 234534815176453313037359
2008-08-29-Anonymous-F-ECM
Factor: 2037365278166259071