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Question
Find the HCF of the composite numbers 28 and 32.
Find the HCF of the composite numbers 28 and 32.
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Solution
The correct option is A 4
Factors of 28: 1, 2, 4, 7, 14 and 28
Factors of 32: 1, 2, 4, 8, 16 and 32
The common factors are: 1, 2 and 4 while the HCF is 4.
Factors of 28: 1, 2, 4, 7, 14 and 28
Factors of 32: 1, 2, 4, 8, 16 and 32
The common factors are: 1, 2 and 4 while the HCF is 4.
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