Problem #WSP-000117

Problems Divisibility The greatest common divisor (GCD) and the least common multiplier (LCM). Mutually prime numbers Number Theory

Problem

Let \(m\) and \(n\) be positive integers. What positive integers can be written as \(m+n+\gcd(m,n)+\text{lcm}(m,n)\), for some \(m\) and \(n\)?