Marin Mersenne 2^P-1
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Finding World Record Primes Since 1996

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Exponent Range:










MnStatusDetails
13513Composite, with 2 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
6487939792432492561313252932822332105.7old
10938353187747455227484601494400733106.42017-03-20 15:54:01
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000001333 / 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 Kruse15EE1D55BE77C8E12013
Verified2017-10-02kkmrkkblmbrbk15EE1D55BE77C8E12013
Verified2017-12-07ATH15EE1D55BE77C8E12977813
Verified2020-04-17Oliver KruseFBB147B38F0357AD2293853
Verified2024-07-01kkmrkkblmbrbkFBB147B38F0357AD2677753
P-1 factors
DateFactorB1B2
2017-03-20109383531877474552274846014944007100000000001206738685689916
2024-01-29109383531877474552274846014944007100000000000122154521813133808
History
DateUserTypeResult
2024-07-01kkmrkkblmbrbkC-PRP
M13513/109383531877474552274846014944007/64879397924324925613132529328223 : FBB147B38F0357AD
PRP: Verified
PRP without proof (small exponent)
2024-01-29-Anonymous-F-PM1
Factor: 109383531877474552274846014944007 / (P-1, B1=100000000000, B2=122154521813133810)
2020-04-17Oliver KruseC-PRP
M13513/64879397924324925613132529328223/109383531877474552274846014944007 : FBB147B38F0357AD
PRP: Verified
PRP without proof (small exponent)
2017-12-07ATHC-PRP
M13513/64879397924324925613132529328223/109383531877474552274846014944007 : 15EE1D55BE77C8E1
PRP: Verified
PRP without proof (small exponent)
2017-10-02kkmrkkblmbrbkC-PRP
M13513/64879397924324925613132529328223/109383531877474552274846014944007 : 15EE1D55BE77C8E1
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M13513/64879397924324925613132529328223/109383531877474552274846014944007 : 15EE1D55BE77C8E1
PRP without proof (not generated)
2017-03-20kkmrkkblmbrbkF-PM1
Factor: 109383531877474552274846014944007 / (P-1, B1=10000000000, B2=1206738685689916)