Highest Common Factor Quiz

What is the highest common factor (HCF) of 18 and 24?

• 2

• 3

• 6

• 12

Find the HCF of 45 and 60.

• 5

• 10

• 15

• 20

What is the HCF of 14 and 35?

• 7

• 14

• 21

• 28

Determine the HCF of 32 and 48.

• 4

• 8

• 12

• 16

What is the highest common factor of 27 and 36?

• 3

• 6

• 9

• 12

Find the HCF of 50 and 75.

• 5

• 10

• 15

• 25

What is the HCF of 16 and 40?

• 4

• 8

• 12

• 16

Determine the HCF of 21 and 28.

• 3

• 7

• 14

• 21

What is the highest common factor of 12 and 18?

• 2

• 3

• 6

• 9

Find the HCF of 24 and 36.

• 6

• 8

• 12

• 18