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Equation in integers (Posted on 2020-12-06) Difficulty: 3 of 5
Determine all pairs of prime numbers (p, q) such that p2 + 5pq + 4q2 is the square of an integer.

No Solution Yet Submitted by Danish Ahmed Khan    
Rating: 3.0000 (1 votes)

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Puzzle Answer Comment 5 of 5 |
(p, q) = (5, 11), (7, 5), and (13, 3) constitutes all possible solutions to the given puzzle.

I sincerely hope to posit a detailed solution in future.

  Posted by K Sengupta on 2022-05-20 22:44:08
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