IMO 2022 Shortlist N8
Prove that 5n ´ 3n is not divisible by 2n 65 for any positive integer n. (Belgium) 8 Oslo, Norway, 6th–16th July 2022 Sh...
Category: Number Theory
Problem
Prove that 5n ´ 3n is not divisible by 2n ` 65 for any positive integer n. (Belgium) 8 Oslo, Norway, 6th–16th July 2022 Shortlisted problems – solutions 9