Least Common Multiple Of 12 And 20. How to find the lcm of 12 and 20? Find the prime factorization of 20.
For two integers a and b, denoted lcm(a,b), the lcm is the smallest positive integer that is evenly divisible by both a and b. 20 = 2 x 2 x 5. Similarly, to create a list of multiples of 20, we multiply 20 by 1, 20 by 2, and so on like this:
