Question 95
Find all natural numbers $a$, $b$ and $c$, such that the number $2^{a!} + 2^{b!} + 2^{c!}$ is a cube of a natural number.
(Arseniy Nicolaev)
(Arseniy Nicolaev)
MathNet 2019-part-07 — 184 problems (EN–VI) Question 95
Math Olympiad Vault · MathNet 2019-part-07 — 184 problems (EN–VI)