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Two Digit Integers (Posted on 2006-07-14)

Find all possible two digit positive integers N for which the sum of digits of 10^N - N is divisible by 170.

See The Solution Submitted by K Sengupta

Rating: 3.0000 (2 votes)

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Computer Solution

| Comment 1 of 11

Mathematica figured it out in no time

20,39,58,77,96

Posted by Daniel on 2006-07-14 13:04:05

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