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# What is the greatest common factor of 5 and 23?

Updated: 4/28/2022

Ljyoung13

Lvl 1
15y ago

Because both numbers are prime numbers, the only common factor they have is 1. Therefore, the greatest common factor is 1.

Another way to determine the greatest common factor is to find all the factors of the numbers and compare them.

The factors of 5 are 1 and 5.

The factors of 23 are 1 and 23.

The only common factor is 1. Therefore, the greatest common factor is 1, which means the numbers are relatively prime.

The greatest common factor can also be calculated by identifying the common prime factors and multiplying them together.

The prime factor of 5 is 5.

The prime factor of 23 is 23.

There are no prime factors in common, so the numbers are relatively prime, which means the greatest common factor is 1.

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Q: What is the greatest common factor of 5 and 23?
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