Q:

What is the LCM of 15 and 1?

Accepted Solution

A:
Solution: The LCM of 15 and 1 is 15 Methods How to Find the LCM of 15 and 1 by Listing Common Multiples The first step to this method of finding the Least Common Multiple of 15 and 1 is to begin to list a few multiples for each number. If you need a refresher on how to find the multiples of these numbers, you can see the walkthroughs for those here: What are the Multiples of 15? What are the Multiples of 1? Let’s take a look at the first 10 multiples for each of these numbers, 15 and 1: First 10 Multiples of 15: 15, 30, 45, 60, 75, 90, 105, 120, 135, 150 First 10 Multiples of 1: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 You can continue to list out the multiples of these numbers as long as needed to find a match. Once you do find a match, or several matches, the smallest of these matches would be the Least Common Multiple. For instance, the first matching multiple(s) of 15 and 1 are 15, 30, 45. Because 15 is the smallest, it is the least common multiple. The LCM of 15 and 1 is 15. Continue Practicing by Finding the LCM of Other Numbers Take a look at some of our other walkthroughs, and you’ll be sure to be an expert at finding the LCM of any numbers in no time! What is the LCM of 16 and 39? What is the LCM of 14 and 146? What is the LCM of 44 and 138? What is the LCM of 45 and 88? What is the LCM of 41 and 122?