IMO 1971 LL CUB11
Prove that n! cannot be the square of any natural number.
IMO 1971 LL CUB11
Origin: CUB
Problem
Prove that n! cannot be the square of any natural number.
Prove that n! cannot be the square of any natural number.
Origin: CUB
Prove that n! cannot be the square of any natural number.