# How do you find the GCF of 12 and 18?

##### 1 Answer

Jan 16, 2017

#### Answer:

LIst all of the factors of 12 and 18. Then find the unique factors and multiple them.

#### Explanation:

the factors of 12 are

the factors of 18 are

There are two 2's in 12 and one 2 in 18 so the GCF must have one 2's

There are two 3's in 18 and one 3 in 12 so the GCF must have one 3's

So the GCG is