LCM Method 2 Example 1
The second method for finding the LCM is a little more complicated, but can take less time. To find the LCM, list the prime factors of both numbers. Then count the number of times each prime factor appears for each number. Multiply all prime factors using the greatest number of times it appears in either number. Check out the examples below, as it's easiest to grasp this method by seeing examples.
Find the least common multiple of and .