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If two numbers are 7 and 8, what is the product of their HCF and LCM?

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Question: If two numbers are 7 and 8, what is the product of their HCF and LCM?

  1. 57
  2. 55
  3. 56
  4. 58

Correct Answer: C — 56

Explanation: For two positive integers, HCF × LCM equals their product.
Using the values in this question gives 56 as the correct answer.

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