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Divide The Cubic, Get The Pairs (Posted on 2007-05-26) Difficulty: 3 of 5
Find all possible positive integers (p,q) with p≤q such that (q³+1)/(pq-1) is an integer.

No Solution Yet Submitted by K Sengupta    
Rating: 3.0000 (1 votes)

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re(2): Solution (spoiler) | Comment 3 of 5 |
(In reply to re: Solution (spoiler) by Dej Mar)

I missed that.  In my analysis, the constraint q>=p never got used, so I forgot about it.
  Posted by Brian Smith on 2007-05-27 14:32:40

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