# How do you find the GCF of #10ab, 25a#?

##### 2 Answers

Aug 11, 2017

#### Answer:

#### Explanation:

To find the GCF, look for the factor that both terms have in common

This one is

Aug 11, 2017

#### Answer:

#### Explanation:

Write each term as the product of its prime factors:

Identify which factors are common to both

This method is very useful if you are working with several numbers, especially of they are large and unfamiliar.