Solution: The LCM of 116 and 12 is 348
Methods
How to find the LCM of 116 and 12 using Prime Factorization
One way to find the LCM of 116 and 12 is to start by comparing the prime factorization of each number. To find the prime factorization, you can follow the instructions for each number here:
What are the Factors of 116?
What are the Factors of 12?
Here is the prime factorization of 116:
2
2
×
2
9
1
2^2 × 29^1
2 2 × 2 9 1
And this is the prime factorization of 12:
2
2
×
3
1
2^2 × 3^1
2 2 × 3 1
When you compare the prime factorization of these two numbers, you want to look for the highest power that each prime factor is raised to. In this case, there are these prime factors to consider: 2, 29, 3
2
2
×
3
1
×
2
9
1
=
348
2^2 × 3^1 × 29^1 = 348
2 2 × 3 1 × 2 9 1 = 348
Through this we see that the LCM of 116 and 12 is 348.
How to Find the LCM of 116 and 12 by Listing Common Multiples
The first step to this method of finding the Least Common Multiple of 116 and 12 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 in the links below for each number.
Let’s take a look at the multiples for each of these numbers, 116 and 12:
What are the Multiples of 116?
What are the Multiples of 12?
Let’s take a look at the first 10 multiples for each of these numbers, 116 and 12:
First 10 Multiples of 116: 116, 232, 348, 464, 580, 696, 812, 928, 1044, 1160
First 10 Multiples of 12: 12, 24, 36, 48, 60, 72, 84, 96, 108, 120
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 116 and 12 are 348, 696, 1044. Because 348 is the smallest, it is the least common multiple.
The LCM of 116 and 12 is 348.
Find the LCM of Other Number Pairs
Want more practice? Try some of these other LCM problems:
What is the LCM of 74 and 147?
What is the LCM of 27 and 129?
What is the LCM of 12 and 130?
What is the LCM of 108 and 28?
What is the LCM of 51 and 141?