Question 89
Determine all positive integers $a$ and all primes $p$ fulfilling the equation
$$
(a - p)^3 = a + p.
$$
$$
(a - p)^3 = a + p.
$$
MathNet 2016-part-01 — 184 problems (EN–VI) Question 89
Math Olympiad Vault · MathNet 2016-part-01 — 184 problems (EN–VI)