IMO 2022 Shortlist N2

Find all positive integers n ą 2 such that n! ˇ ˇ ˇ ˇ ź păqďn, p,q primes pp qq. (Nigeria)

IMO 2022 Shortlist N2

Category: Number Theory

Problem

Find all positive integers n ą 2 such that n! ˇ ˇ ˇ ˇ ź păqďn, p,q primes pp ` qq. (Nigeria)