# How do you find the greatest common factor (GCF) of #2x^2 - 40x#?

##### 1 Answer

Apr 24, 2018

The greatest common factor is

So, to factor

#### Explanation:

The common factors of 2 are 1 and 2.

1 x 2 =2

2 x 1= 2

The common factors of 40 are 1, 2, 4, 5, 8, 10, 20, & 40.

1 x 40 = 40

2 x 20 = 40

4 x 10 = 40

5 x 8 = 40

8 x 5 = 40

10 x 4 =40

20 x 2 = 40

40 x 1 = 40

Since 2 and 40 are both divisible by 2, 2 is the greatest common factor.

I hope this helps.