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N Nine Nuance (Posted on 2016-01-29) Difficulty: 3 of 5
Determine the minimum value of a positive integer N > 2 such that:
the number 199...991, containing precisely N nines, is divisible by 1991.

No Solution Yet Submitted by K Sengupta    
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Solution re:corrected answer only Comment 6 of 6 |
(In reply to Answer only by Ady TZIDON)

 I have erroneously started with  N(0)=1991, instead of  N(2)=1991

So the value 0 is reached when  N=182 (corrected answer)

Edited on January 29, 2016, 3:40 pm
  Posted by Ady TZIDON on 2016-01-29 15:38:17

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