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

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Exponent Range:










MnStatusDetails
11593Composite, with 2 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
17695957402115082985132270.6old
202035145689241858124843626492994.02008-11-22 12:25:27
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000001292 / 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 Kruse756F7ACB53C5D6282013
Verified2017-10-02kkmrkkblmbrbk756F7ACB53C5D6282013
Verified2017-12-07ATH756F7ACB53C5D6282232513
Verified2020-04-17Oliver Kruse06BF4305B88F0FAE2618953
Verified2024-07-01kkmrkkblmbrbk06BF4305B88F0FAE243953
History
DateUserTypeResult
2024-07-01kkmrkkblmbrbkC-PRP
M11593/1769595740211508298513/20203514568924185812484362649 : 06BF4305B88F0FAE
PRP: Verified
PRP without proof (small exponent)
2023-01-20-Anonymous-NF-PM1
B1=100000000000, B2=122192573512709700
2020-04-17Oliver KruseC-PRP
M11593/1769595740211508298513/20203514568924185812484362649 : 06BF4305B88F0FAE
PRP: Verified
PRP without proof (small exponent)
2017-12-07ATHC-PRP
M11593/1769595740211508298513/20203514568924185812484362649 : 756F7ACB53C5D628
PRP: Verified
PRP without proof (small exponent)
2017-10-02kkmrkkblmbrbkC-PRP
M11593/1769595740211508298513/20203514568924185812484362649 : 756F7ACB53C5D628
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M11593/1769595740211508298513/20203514568924185812484362649 : 756F7ACB53C5D628
PRP without proof (not generated)
2016-09-07kkmrkkblmbrbkNF-PM1
B1=100000000, B2=10000000000, E=12
2008-11-22-Anonymous-F-ECM
Factor: 20203514568924185812484362649