Factors and Multiples
Math ⇒ Number and Operations
Factors and Multiples starts at 6 and continues till grade 12.
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See sample questions for grade 7
Explain how to find the LCM of two numbers using their prime factors.
Explain why every number is a multiple of itself.
Find the GCF of 42 and 56.
Find the highest common factor (HCF) of 12, 18, and 24.
List all the factors of 28.
List all the factors of 45.
List all the factors of 60.
List the first five multiples of 7.
List the first four multiples of 11.
What is the difference between a factor and a multiple?
What is the least common multiple (LCM) of 4 and 6?
Which of the following is a common multiple of 3 and 5?
(1) 8
(2) 10
(3) 12
(4) 15
Which of the following is a factor of 81?
(1) 8
(2) 9
(3) 18
(4) 27
Which of the following is NOT a factor of 54?
(1) 2
(2) 3
(3) 6
(4) 7
Which of the following is NOT a multiple of 8?
(1) 16
(2) 24
(3) 30
(4) 40
Which of the following is NOT a multiple of 9?
(1) 18
(2) 27
(3) 36
(4) 44
Which of the following is the LCM of 10 and 15?
(1) 20
(2) 30
(3) 40
(4) 50
Which of the following numbers is a factor of 100?
(1) 10
(2) 15
(3) 20
(4) 25
Which of the following numbers is a factor of 36?
(1) 5
(2) 6
(3) 7
(4) 9
Which of the following numbers is a multiple of both 4 and 6?
(1) 8
(2) 12
(3) 16
(4) 18
