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Question
Find the HCF:
16, 27
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Solution
The prime factorisation method involves expressing the numbers as a product of their prime factors. For 16 and 27, we get:
16 = 2 × 2 × 2 × 2 × 1
27 = 3 × 3 × 3 × 1
Since there's no common prime factor, the HCF of (16, 27) = 1
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