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Prime and perfect (Posted on 2015-02-27) Difficulty: 2 of 5
Let n and p be positive integers greater than 1, with p being a prime. Show that if n divides p-1 and p divides n^3-1, then 4p-3 is a perfect square.

No Solution Yet Submitted by Danish Ahmed Khan    
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re(2): Solution - may not be complete Comment 3 of 3 |
(In reply to re: Solution - may not be complete by broll)

Thanks for checking.  That sort of logic tends to confuse me, so I wanted to make sure.

Incidentally you are ahead of me on OEIS references 651 to 1

  Posted by Jer on 2015-03-01 20:16:44

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