### How you find the LCM of a set of numbers?

Example: 30 and 42 Factor them. 2 x 3 x 5 = 30 2 x 3 x 7 = 42 Combine the factors, eliminating duplicates. 2 x 3 x 5 x 7 = 210, the LCM Find the LCM of the first two and then find the LCM of that number and the third. Example:Find the LCM of 4, 6, and15. The LCM of 4 and 6 is 12 and the LCM of 12 and…