The least common multiple is the smallest number that two or more numbers will divide into evenly. This means that the LCM must contain all the prime factors of each number in question. Suppose we ...

Let's find the least common multiple of x plus 5 squared, and 2 times x plus 5, and 6x. In order to do this we must go ahead and put each one as its prime factorization. So, x plus 5 squared is just ...

Refresh your knowledge with these guides on factor trees and writing numbers as a product of prime factors. List the factors of each number. Compare the lists to find the greatest number common to ...