After taking the Greatest Common Factor Quiz, let me give you a Least Common Multiple Quiz, a topic that is quite related to greatest common factor. In case you missed it, I have already explained the concept of Least Common Multiple (LCM), you can read it before taking the quiz. The LCM is needed to add or subtract fractions, particularly dissimilar fractions.

The Least Common Multiple Quiz

Find the least common factor of the following numbers.

1.) 6 and 8
[toggle title=”Answer”]24[/toggle]

2.) 5 and 4 
[toggle title=”Answer”]20[/toggle]

3.) 7 and 21
[toggle title=”Answer”]21[/toggle]

4.) 6 and 5
[toggle title=”Answer”]30[/toggle]

5.) 12 and 18
[toggle title=”Answer”]36[/toggle]

6.) 6 and 9
[toggle title=”Answer”]18[/toggle]

7.)16 and 20

[toggle title=”Answer”]80[/toggle]

8.) 15 and 20
[toggle title=”Answer”]60[/toggle]

9.) 2, 3, and 4
[toggle title=”Answer”]12[/toggle]

10.) 2, 4, and 8
[toggle title=”Answer”]8[/toggle]

11.) 4, 5, and 7
[toggle title=”Answer”]140[/toggle]

12.) 8, 12 and 5
[toggle title=”Answer”]120[/toggle]

Did you like it? What’s your score?

To enjoy more quizzes and practice tests, visit the Practice test page.