# Lesson Worksheet: Common Multiples Mathematics

In this worksheet, we will practice finding the common multiples and the least common multiple of two or three whole numbers by listing their factors.

Q1:

Are all multiples of 8 also multiples of 4?

• AYes
• BNo

Q2:

Which number is a multiple of 3 and a multiple of 7?

Q3:

Which of these is not a common multiple of the numbers 4 and 5?

• A20
• B200
• C0
• D120
• E12

Q4:

Find the common multiple of 11 and 2 that is between 20 and 30 including 20 and 30.

Q5:

Is 24 is a common multiple or a common factor of 12 and 2?

• AA common factor
• BA common multiple

Q6:

Find all the common multiples of 10 and 9 up to and including 450.

• A
• B
• C
• D

Q7:

Which of the following pairs of numbers do not have 12 as a common multiple?

• A2 and 3
• B3 and 5
• C4 and 6
• D3 and 4
• E3 and 6

Q8:

Identify the first three common multiples of 3 and 7.

• A2, 4, 6
• B21, 42, 84
• C42, 63, 84
• D2, 3, 4
• E21, 42, 63

Q9:

Find all the multiples of both 3 and 5 that are less than 65.

• A0,3, 5, 15, 30
• B0,3, 5, 30, 45
• C0,15, 30, 48, 65
• D0,15, 30, 45, 60

Q10:

Which of the following pairs of numbers have a common multiple of 24?

• A6 and 11
• B7 and 17
• C5 and 2
• D2 and 12

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