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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MnStatusDetails
13159Composite, with 3 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
13880709966267692899212270.2old
277777682066368376661192374.62008-08-29 02:24:32
8704752359931716018797896072789.52008-08-29 02:24:32
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000001385 / 9201
Estimated T-Level: 40.8
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 Kruse4008BAF00C2A74503013
Verified2017-10-02kkmrkkblmbrbk4008BAF00C2A74503013
Verified2017-12-07ATH4008BAF00C2A7450350913
Verified2020-04-17Oliver Kruse586C402A094BF18B3724153
Verified2024-07-01kkmrkkblmbrbk586C402A094BF18B3236453
P-1 factors
DateFactorB1B2
2023-10-1027777768206636837666119100000000000122154521813133808
History
DateUserTypeResult
2024-07-01kkmrkkblmbrbkC-PRP
M13159/1388070996626769289921/27777768206636837666119/870475235993171601879789607 : 586C402A094BF18B
PRP: Verified
PRP without proof (small exponent)
2023-10-10-Anonymous-F-PM1
Factor: 27777768206636837666119 / (P-1, B1=100000000000, B2=122154521813133810)
2023-05-17JacobZNF-PM1
B1=8400000000, B2=34523926202766000
2022-02-05JossNF-PM1
B1=1000000, B2=3910366209750
2020-04-17Oliver KruseC-PRP
M13159/1388070996626769289921/27777768206636837666119/870475235993171601879789607 : 586C402A094BF18B
PRP: Verified
PRP without proof (small exponent)
2017-12-07ATHC-PRP
M13159/1388070996626769289921/27777768206636837666119/870475235993171601879789607 : 4008BAF00C2A7450
PRP: Verified
PRP without proof (small exponent)
2017-10-02kkmrkkblmbrbkC-PRP
M13159/1388070996626769289921/27777768206636837666119/870475235993171601879789607 : 4008BAF00C2A7450
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M13159/1388070996626769289921/27777768206636837666119/870475235993171601879789607 : 4008BAF00C2A7450
PRP without proof (not generated)
2008-08-29-Anonymous-F-ECM
Factor: 870475235993171601879789607
2008-08-29-Anonymous-F-ECM
Factor: 27777768206636837666119