The greatest common divisor (GCD) of two integers, is the largest integer that divides both of the integers. For example : GCD (2, 4) = 2.The least common multiple (LCM) of two integers, is the smallest positive integer that is divisible by both of the integers. For example :LCM (2, 4) = 4.
This is a companion discussion topic for the original entry at https://toph.co/p/sum-of-gcd-and-lcm