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Three Power and Product Divisibility (Posted on 2015-09-19) Difficulty: 3 of 5
Find all pairs (X,Y) of positive integers such that each of 3X + 1 and 3Y + 1 is divisible by X*Y.
Prove that there are no others.

No Solution Yet Submitted by K Sengupta    
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  Subject Author Date
Some Thoughtsre: computer explorationCharlie2015-09-20 18:58:36
Some Thoughtscomputer explorationCharlie2015-09-20 07:56:20
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