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MathNet 2021 — Part 01 Question 76

Math Olympiad Vault · MathNet 2021 — Part 01

Question 76

For positive integers $a$, $b$, $c$, $x$, $y$, $z$ such that $a x y = b y z = c z x$, can $a + b + c + x + y + z$ be prime?