LCM and HCF

What is the least common multiple of 4 and 6?

• 14

• 12

• 8

• 10

Calculate the highest common factor of 12 and 18.

• 4

• 6

• 15

• 9

Find the LCM of 8 and 10.

• 25

• 40

• 15

• 20

Determine the HCF of 15 and 25.

• 8

• 3

• 5

• 10

What is the LCM of 20 and 30?

• 70

• 40

• 60

• 50

Calculate the HCF of 36 and 48.

• 6

• 24

• 18

• 12

Find the LCM of 7 and 9.

• 81

• 45

• 63

• 27

Determine the HCF of 28 and 42.

• 14

• 35

• 21

• 10

What is the least common multiple of 16 and 24?

• 48

• 56

• 40

• 32

Calculate the highest common factor of 50 and 75.

• 25

• 30

• 20

• 15