[a^m] + 1 is divisible by n
Source: VI Soros Olympiad 1990-00 R1 10.10 https://artofproblemsolving.com/community/c2416727_soros_olympiad_in_mathematics
May 28, 2024
number theory
Problem Statement
Prove that for every integer there exists a real number such that for any integer the number is divisible by ( denotes the largest integer that does not exceed ).