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

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Exponent Range:










MnStatusDetails
10949Composite, with 4 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
153287617.2old
14721368471030.52008-08-26 19:58:33
3861533533256637721607109292788.32008-08-29 02:24:26
8110774101899412161659901032789.42008-10-25 20:59:11
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000003027 / 9201
Estimated T-Level: 41.6
TF below 2^133 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-21Oliver KruseF53D4532E11B82C94013
Verified2017-10-02kkmrkkblmbrbkF53D4532E11B82C94013
Verified2017-10-12kkmrkkblmbrbkF53D4532E11B82C941015013
Verified2020-04-17Oliver Kruse9A2793F01B42E0254578753
Verified2024-07-01kkmrkkblmbrbk9A2793F01B42E0254640353
History
DateUserTypeResult
2024-07-01kkmrkkblmbrbkC-PRP
M10949/1472136847/153287/386153353325663772160710929/811077410189941216165990103 : 9A2793F01B42E025
PRP: Verified
PRP without proof (small exponent)
2022-12-29-Anonymous-NF-PM1
B1=100000000000, B2=122192573512709700
2020-04-17Oliver KruseC-PRP
M10949/153287/1472136847/386153353325663772160710929/811077410189941216165990103 : 9A2793F01B42E025
PRP: Verified
PRP without proof (small exponent)
2017-10-12kkmrkkblmbrbkC-PRP
M10949/153287/1472136847/386153353325663772160710929/811077410189941216165990103 : F53D4532E11B82C9
PRP: Verified
PRP without proof (not generated)
2017-10-02kkmrkkblmbrbkC-PRP
M10949/153287/1472136847/386153353325663772160710929/811077410189941216165990103 : F53D4532E11B82C9
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M10949/153287/1472136847/386153353325663772160710929/811077410189941216165990103 : F53D4532E11B82C9
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M10949/153287/1472136847/386153353325663772160710929/811077410189941216165990103 : F53D4532E11B82C9
PRP without proof (not generated)
2016-09-07kkmrkkblmbrbkNF-PM1
B1=100000000, B2=10000000000, E=12
2008-10-25Will EdgingtonF-ECM
Factor: 811077410189941216165990103
2008-08-29-Anonymous-F-ECM
Factor: 386153353325663772160710929
2008-08-26-Anonymous-F
Factor: 1472136847