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Shifting the digit (Posted on 2019-03-11) Difficulty: 3 of 5
A1A2A3...An-1An/A2A3...An-1AnA1 = 12/17

What is the smallest value of n such that there exists solutions to the above equation?

No Solution Yet Submitted by Danish Ahmed Khan    
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No Subject | Comment 2 of 3 |
Trying to solve 17*10^k - 12 = 0 quickly blew up my spreadsheet but working mod 103, given 17*10 - 12 = 55 then 17*10^2 -12 = 10*55 + 108 and the numbers become tractable.

I got n=34 also but without explicit solutions.  

  Posted by xdog on 2019-03-11 18:03:30
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