Q:

What is the GCF of 58 and 127?

Accepted Solution

A:
Solution: The GCF of 58 and 127 is 1 Methods How to find the GCF of 58 and 127 using Prime Factorization One way to find the GCF of 58 and 127 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 58? What are the Factors of 127? Here is the prime factorization of 58: 2 1 × 2 9 1 2^1 × 29^1 2 1 × 2 9 1 And this is the prime factorization of 127: 12 7 1 127^1 12 7 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 58 and 127 is 1. Thus, the GCF of 58 and 127 is: 1 How to Find the GCF of 58 and 127 by Listing All Common Factors The first step to this method of finding the Greatest Common Factor of 58 and 127 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, 58 and 127: Factors of 58: 1, 2, 29, 58 Factors of 127: 1, 127 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 58 and 127 is 1. Find the GCF of Other Number Pairs Want more practice? Try some of these other GCF problems: What is the GCF of 116 and 49? What is the GCF of 65 and 112? What is the GCF of 134 and 113? What is the GCF of 141 and 138? What is the GCF of 64 and 61?