IMO 2024 Shortlist N1

Find all positive integers n with the following property: for all positive divisors d of n, we have that d 1 | n or d 1 ...

IMO 2024 Shortlist N1

Category: Number Theory

Problem

Find all positive integers n with the following property: for all positive divisors d of n, we have that d 1 | n or d 1 is prime. (Ghana)