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

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Exponent Range:










MnStatusDetails
13099Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
26403687439333082168409959372191325028820789745147.62009-03-05 15:09:13
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000001526 / 9201
Estimated T-Level: 40.8
TF below 2^131 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)Unknown43500
Verified (Factored)George Woltman0AFDDF0BB851C3500
Verified (Factored)Brian J. Beesley0AFDDF0BB851C3500
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-21Oliver Kruse0C30A517BA2970601013
Verified2017-10-02kkmrkkblmbrbk0C30A517BA2970601013
Verified2017-12-07ATH0C30A517BA2970601277913
Verified2020-04-17Oliver Kruse1113291EF81654C61988953
Verified2024-07-01kkmrkkblmbrbk1113291EF81654C611135753
History
DateUserTypeResult
2024-07-01kkmrkkblmbrbkC-PRP
M13099/264036874393330821684099593721913250288207897 : 1113291EF81654C6
PRP: Verified
PRP without proof (small exponent)
2023-10-10-Anonymous-NF-PM1
B1=100000000000, B2=122154521813133810
2023-05-17JacobZNF-PM1
B1=8400000000, B2=34523926202766000
2020-04-17Oliver KruseC-PRP
M13099/264036874393330821684099593721913250288207897 : 1113291EF81654C6
PRP: Verified
PRP without proof (small exponent)
2017-12-07ATHC-PRP
M13099/264036874393330821684099593721913250288207897 : 0C30A517BA297060
PRP: Verified
PRP without proof (small exponent)
2017-10-02kkmrkkblmbrbkC-PRP
M13099/264036874393330821684099593721913250288207897 : 0C30A517BA297060
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M13099/264036874393330821684099593721913250288207897 : 0C30A517BA297060
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M13099/264036874393330821684099593721913250288207897 : 0C30A517BA297060
PRP without proof (not generated)
2009-03-05-Anonymous-F-ECM
Factor: 264036874393330821684099593721913250288207897