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Integer Divisor Illation (Posted on 2015-01-10) Difficulty: 4 of 5
Given that N is a positive integer, can any divisor of N2 + N - 1 end in 3 or 7?
If so, give an example.
If not, prove it.

No Solution Yet Submitted by K Sengupta    
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  Subject Author Date
Some ThoughtsPossible solutionbroll2015-01-11 02:35:48
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