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

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MnStatusDetails
14741Composite, with 3 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
115934101678731443.4old
1087307337359418224472166.62008-08-29 02:24:35
57768269336337201553612732582.32009-12-25 02:30:44
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000001736 / 9201
Estimated T-Level: 40.9
TF below 2^131 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-21Oliver Kruse0836466CF489E4063013
Verified2017-10-02kkmrkkblmbrbk0836466CF489E4063013
Verified2017-12-07ATH0836466CF489E4063808213
Verified2020-04-17Oliver Kruse8D98B4C3F3D1EADB3818953
Verified2024-07-01kkmrkkblmbrbk8D98B4C3F3D1EADB364853
P-1 factors
DateFactorB1B2
2024-03-07108730733735941822447100000000000122154521813133808
History
DateUserTypeResult
2024-07-01kkmrkkblmbrbkC-PRP
M14741/108730733735941822447/11593410167873/5776826933633720155361273 : 8D98B4C3F3D1EADB
PRP: Verified
PRP without proof (small exponent)
2024-03-07-Anonymous-F-PM1
Factor: 108730733735941822447 / (P-1, B1=100000000000, B2=122154521813133810)
2023-05-26JacobZNF-PM1
B1=7400000000, B2=32522539163164050
2021-08-02ViliamFNF-PM1
B1=250000000, B2=42750000000
2020-04-17Oliver KruseC-PRP
M14741/11593410167873/108730733735941822447/5776826933633720155361273 : 8D98B4C3F3D1EADB
PRP: Verified
PRP without proof (small exponent)
2017-12-07ATHC-PRP
M14741/11593410167873/108730733735941822447/5776826933633720155361273 : 0836466CF489E406
PRP: Verified
PRP without proof (small exponent)
2017-10-02kkmrkkblmbrbkC-PRP
M14741/11593410167873/108730733735941822447/5776826933633720155361273 : 0836466CF489E406
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M14741/11593410167873/108730733735941822447/5776826933633720155361273 : 0836466CF489E406
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M14741/11593410167873/108730733735941822447/5776826933633720155361273 : 0836466CF489E406
PRP without proof (not generated)
2009-12-25Never Odd Or EvenF-ECM
Factor: 5776826933633720155361273
2008-08-29-Anonymous-F-ECM
Factor: 108730733735941822447