Finding Highest Common Factors

What is the highest common factor of 12 and 16?

• 8

• 6

• 4

• 2

Find the highest common factor of 18 and 24.

• 6

• 4

• 8

• 12

Determine the highest common factor of 30 and 45.

• 20

• 15

• 10

• 25

What is the highest common factor of 28 and 42?

• 6

• 21

• 14

• 28

Calculate the highest common factor of 36 and 60.

• 12

• 6

• 18

• 24

What is the highest common factor of 14 and 35?

• 1

• 35

• 7

• 14

Find the highest common factor of 48 and 64.

• 16

• 12

• 24

• 8

Determine the highest common factor of 21 and 14.

• 5

• 7

• 10

• 3