LCM HCF Math Quiz Form
Test your knowledge of Least Common Multiple and Highest Common Factor with this quiz. Please answer all questions.
What is the least common multiple (LCM) of 6 and 8?
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What is the highest common factor (HCF) of 18 and 24?
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Select all pairs that have an HCF of 5.
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10 and 15
20 and 25
15 and 25
12 and 18
Which of the following is the LCM of 9 and 12?
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36
18
27
12
Find the HCF of 42 and 56.
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What is the LCM of 7, 14, and 21?
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Choose the correct statement about the LCM of two numbers.
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It is always greater than or equal to both numbers.
It is always less than both numbers.
It is always equal to the sum of the numbers.
It is always the difference of the numbers.
If HCF of two numbers is 1, what are they called?
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Co-prime
Composite
Prime
Even
What is the LCM of 5 and 15?
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Which method can be used to find the HCF of two numbers?
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Prime factorization
Addition
Multiplication
Division only
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