what is lcm in math
Least common multiple (LCM) The least common multiple (LCM) of 2 numbers is the smallest number that they both divide evenly into. One good way to find the least common multiple of 2 numbers is to multiply both numbers by 1,2,3,4,5... and then find the first multiple that appears in both lists. For example, find the least common multiple of 6 and 8: