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

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Exponent Range:










MnStatusDetails
13537Composite, with 5 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
2165921721.0old
5929207722.52008-08-26 19:58:40
10288121823.32008-08-26 19:58:40
11993783823.52008-08-26 19:58:40
450133418552782985047912375.32008-08-29 02:24:32
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000001360 / 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 KruseC1F45546FC0C9AD15013
Verified2017-10-02kkmrkkblmbrbkC1F45546FC0C9AD15013
Verified2017-12-07ATHC1F45546FC0C9AD15909813
Verified2020-04-17Oliver Kruse5C846D5A03B600A85760853
Verified2024-07-01kkmrkkblmbrbk5C846D5A03B600A85582653
History
DateUserTypeResult
2024-07-01kkmrkkblmbrbkC-PRP
M13537/10288121/11993783/2165921/45013341855278298504791/5929207 : 5C846D5A03B600A8
PRP: Verified
PRP without proof (small exponent)
2024-01-29-Anonymous-NF-PM1
B1=100000000000, B2=122154521813133810
2023-05-19JacobZNF-PM1
B1=8100000000, B2=31521845619113850
2021-08-27Seth_TrNF-PM1
B1=400000000
2020-04-17Oliver KruseC-PRP
M13537/2165921/5929207/10288121/11993783/45013341855278298504791 : 5C846D5A03B600A8
PRP: Verified
PRP without proof (small exponent)
2017-12-07ATHC-PRP
M13537/2165921/5929207/10288121/11993783/45013341855278298504791 : C1F45546FC0C9AD1
PRP: Verified
PRP without proof (small exponent)
2017-10-02kkmrkkblmbrbkC-PRP
M13537/2165921/5929207/10288121/11993783/45013341855278298504791 : C1F45546FC0C9AD1
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M13537/known_factors : C1F45546FC0C9AD1
PRP without proof (not generated)
2008-08-29-Anonymous-F-ECM
Factor: 45013341855278298504791
2008-08-26-Anonymous-F
Factor: 11993783
2008-08-26-Anonymous-F
Factor: 10288121
2008-08-26-Anonymous-F
Factor: 5929207