Highest Common Factor and Lowest Common Multiple

Find the HCF of 30 and 36

• 2
• 3
• 4
• 6

Find the HCF of 25 and 35

• 10
• 5
• 7
• 1

Find the HCF of 22 and 42

• 2
• 3
• 11
• 14

Find the HCF of 45 and 60

• 5
• 15
• 10
• 9

Find the HCF of 21 and 28

• 3
• 4
• 7
• 14

Find the HCF of 24 and 32

• 1
• 2
• 4
• 8

What is the least common multiple (LCM) of 3 and 20?

• 60
• 40
• 20
• 3

What is the least common multiple (LCM) of 6 and 8?

• 6
• 8
• 48
• 24

What is the least common multiple (LCM) of 4 and 10?

• 4
• 40
• 15
• 20

What is the least common multiple (LCM) of 2 and 24?

• 24
• 2
• 12
• 48