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15-Digits and Repunit Division (Posted on 2010-01-07) Difficulty: 3 of 5
Determine all possible value(s) of a 15-digit base ten positive integer N which is constituted entirely by the digits 2 and 3, such that N is divisible by the base ten repunit R7.

No Solution Yet Submitted by K Sengupta    
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  Subject Author Date
SolutionAnalytical SolutionJer2010-01-09 20:16:05
SolutionBasic solutionCharlie2010-01-07 15:57:38
SolutionanswerDej Mar2010-01-07 13:28:49
mathematica solutionDaniel2010-01-07 12:53:17
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