Question 20
Find all pairs of primes $(p, q)$ such that
$$
p\left(p^{2}-p-1\right)=q(2 q+3)
$$
$$
p\left(p^{2}-p-1\right)=q(2 q+3)
$$
MathNet 2022-part-04 — 197 problems (EN–VI) Question 20
Math Olympiad Vault · MathNet 2022-part-04 — 197 problems (EN–VI)