MathDB
2008 PUMaC Number Theory A8 / B9

Source:

October 4, 2019
number theory

Problem Statement

Find all sets of three primes p,qp, q, and rr such that p+q=rp + q = r and (r−p)(q−p)−27p(r -p)(q - p) - 27p is a perfect square.
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