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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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Solution answer | Comment 2 of 4 |

233333323333332
= 1111111 * [22 * 3 * 37 * 79 * 5987]
= 1111111 * 210000012


  Posted by Dej Mar on 2010-01-07 13:28:49
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