Solution: The LCM of 114 and 146 is 8322
Methods
How to find the LCM of 114 and 146 using Prime Factorization
One way to find the LCM of 114 and 146 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 114?
What are the Factors of 146?
Here is the prime factorization of 114:
2
1
Γ
3
1
Γ
1
9
1
2^1 Γ 3^1 Γ 19^1
2 1 Γ 3 1 Γ 1 9 1
And this is the prime factorization of 146:
2
1
Γ
7
3
1
2^1 Γ 73^1
2 1 Γ 7 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, 3, 19, 73
2
1
Γ
3
1
Γ
1
9
1
Γ
7
3
1
=
8322
2^1 Γ 3^1 Γ 19^1 Γ 73^1 = 8322
2 1 Γ 3 1 Γ 1 9 1 Γ 7 3 1 = 8322
Through this we see that the LCM of 114 and 146 is 8322.
How to Find the LCM of 114 and 146 by Listing Common Multiples
The first step to this method of finding the Least Common Multiple of 114 and 146 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.
Letβs take a look at the multiples for each of these numbers, 114 and 146:
What are the Multiples of 114?
What are the Multiples of 146?
Letβs take a look at the first 10 multiples for each of these numbers, 114 and 146:
First 10 Multiples of 114: 114, 228, 342, 456, 570, 684, 798, 912, 1026, 1140
First 10 Multiples of 146: 146, 292, 438, 584, 730, 876, 1022, 1168, 1314, 1460
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 114 and 146 are 8322, 16644, 24966. Because 8322 is the smallest, it is the least common multiple.
The LCM of 114 and 146 is 8322.
Find the LCM of Other Number Pairs
Want more practice? Try some of these other LCM problems:
What is the LCM of 125 and 49?
What is the LCM of 25 and 133?
What is the LCM of 50 and 85?
What is the LCM of 70 and 18?
What is the LCM of 121 and 48?