LCM and HCF Skills

Find the LCM of 6 and 8.

• 12

• 18

• 30

• 24

Find the HCF of 12 and 18.

• 9

• 15

• 3

• 6

Identify the prime factors of 24.

• 2, 2, 2, 3

• 2, 2, 2, 4

• 2, 3, 4, 4

• 2, 2, 3, 4

Find the LCM of 15 and 20.

• 45

• 60

• 25

• 30

Find the HCF of 36 and 48.

• 12

• 18

• 6

• 24

Identify the prime factors of 30.

• 2, 3, 5

• 5, 6, 7

• 2, 3, 4

• 1, 2, 3, 5

Find the LCM of 9 and 27.

• 36

• 45

• 18

• 27

Find the HCF of 42 and 56.

• 24

• 10

• 18

• 14

Identify the prime factors of 48.

• 2, 2, 2, 3, 3

• 2, 2, 2, 2, 2

• 2, 2, 2, 2, 3

• 2, 2, 3, 3, 3

Find the LCM of 7 and 14.

• 28

• 14

• 21

• 35