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

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Exponent Range:










MnStatusDetails
13337Composite, with 3 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
20278064859405703881592270.8old
692507982230058637735251132685.82008-08-26 19:58:40
1429135432127436241656776152652404935113.52010-05-27 17:17:49
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000001383 / 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 Kruse117AC8712BEDE8E93013
Verified2017-10-02kkmrkkblmbrbk117AC8712BEDE8E93013
Verified2017-12-07ATH117AC8712BEDE8E93927113
Verified2020-04-17Oliver Kruse363E50E1E982B0573476153
Verified2024-07-01kkmrkkblmbrbk363E50E1E982B0573687953
History
DateUserTypeResult
2024-07-01kkmrkkblmbrbkC-PRP
M13337/14291354321274362416567761526524049/2027806485940570388159/69250798223005863773525113 : 363E50E1E982B057
PRP: Verified
PRP without proof (small exponent)
2023-12-19-Anonymous-NF-PM1
B1=100000000000, B2=122154521813133810
2023-05-18JacobZNF-PM1
B1=8200000000, B2=35024272926292650
2022-02-05JossNF-PM1
B1=1000000, B2=3910366209750
2020-04-17Oliver KruseC-PRP
M13337/2027806485940570388159/69250798223005863773525113/14291354321274362416567761526524049 : 363E50E1E982B057
PRP: Verified
PRP without proof (small exponent)
2017-12-07ATHC-PRP
M13337/2027806485940570388159/69250798223005863773525113/14291354321274362416567761526524049 : 117AC8712BEDE8E9
PRP: Verified
PRP without proof (small exponent)
2017-10-02kkmrkkblmbrbkC-PRP
M13337/2027806485940570388159/69250798223005863773525113/14291354321274362416567761526524049 : 117AC8712BEDE8E9
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M13337/known_factors : 117AC8712BEDE8E9
PRP without proof (not generated)
2010-05-27James HintzF-ECM
Factor: 14291354321274362416567761526524049
2008-08-26-Anonymous-F-ECM
Factor: 69250798223005863773525113