Quiz: Factors and Multiples

1. What are all the factors of 36?
a. 2, 3, 4, 9, 12, 18
b. 1, 2, 3, 4, 6, 9, 12, 18, 36
c. 2, 3
2. What are the common factors of 12 and 56?
a. 1, 4
b. 2, 4
c. 1, 2, 4
3. What are the common factors of 25 and 36?
a. 1
b. 5, 6
c. There are no common factors of 25 and 36.
4. What is the greatest common factor of 24 and 36?
a. 72
b. 12
c. 4
5. Which of the following is not a common multiple of 4 and 18?
a. 36
b. 80
c. 108
6. What is the least common multiple of 24 and 36?
a. 72
b. 12
c. 4
7. Which of the following sets of three numbers has a least common multiple of 60?
a. 2, 5, 6
b. 3, 5, 10
c. 4, 5, 15

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