Factors, Multiples, and Primes Quiz

What are the factors of 18?

• 1, 2, 3, 6, 9, 18

• 1, 2, 4, 6, 9, 18

• 1, 3, 5, 6, 9, 18

• 1, 2, 3, 5, 9, 18

Which of the following numbers is a multiple of 7?

• 28

• 34

• 45

• 52

Identify the prime number from the list below.

• 25

• 31

• 35

• 39

What is the lowest common multiple (LCM) of 5 and 9?

• 35

• 40

• 45

• 50

Calculate the highest common factor (HCF) of 28 and 42.

• 4

• 6

• 7

• 14

Which of the following numbers is a factor of 64?

• 6

• 8

• 10

• 12

What is the lowest common multiple (LCM) of 3 and 8?

• 18

• 21

• 24

• 27

Which of the following numbers is a prime number?

• 51

• 53

• 55

• 57