# Greatest Common Factor Quiz

After learning How to Get the Greatest Common Factor of Two Numbers, let’s have a quiz! The greatest common factor is used to reduce a fraction to lowest terms, so I included such items on the quiz below.

To reduce a fraction to lowest terms, get the greatest common factor of the numerator and the denominator, and then divide

Greatest Common Factor Quiz

Part 1: Get the greatest common factor of the following numbers.

1.) 12 and 15

3

2.) 18 and 28

2

3.) 36 and 45

9

4.) 56 and 72

8

5.) 26 and 65

13

6.) 8, 12, and 64

4

7.) 30, 45, and 54

3

8.) 10 and 31

1

Part 2: Reduce the following fractions to lowest terms.

9.) $\frac{21}{42}$

1/2

10.) $\frac{8}{24}$

1/3

11.) $\frac{13}{65}$

12.) $\frac{48}{56}$