Q:

What is the GCF of 147 and 113?

Accepted Solution

A:
Solution: The GCF of 147 and 113 is 1 Methods How to find the GCF of 147 and 113 using Prime Factorization One way to find the GCF of 147 and 113 is to compare 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 147? What are the Factors of 113? Here is the prime factorization of 147: 3 1 × 7 2 3^1 × 7^2 3 1 × 7 2 And this is the prime factorization of 113: 11 3 1 113^1 11 3 1 When you compare the prime factorization of these two numbers, you can see that there are no matching prime factors. When this is the case, it means that there are no common factors between these two numbers. As a result, the GCF of 147 and 113 is 1. Thus, the GCF of 147 and 113 is: 1 How to Find the GCF of 147 and 113 by Listing All Common Factors The first step to this method of finding the Greatest Common Factor of 147 and 113 is to find and list all the factors of each number. Again, you can see how this is done by looking at the “Factors of” articles that are linked to above. Let’s take a look at the factors for each of these numbers, 147 and 113: Factors of 147: 1, 3, 7, 21, 49, 147 Factors of 113: 1, 113 When you compare the two lists of factors, you can see that the only common factor is 1. So, in this case, the GCF of 147 and 113 is 1. Find the GCF of Other Number Pairs Want more practice? Try some of these other GCF problems: What is the GCF of 119 and 57? What is the GCF of 28 and 54? What is the GCF of 25 and 10? What is the GCF of 9 and 148? What is the GCF of 122 and 130?