If two numbers are 18 and 24, what is their HCF? (2023)

Practice Questions

Q1
If two numbers are 18 and 24, what is their HCF? (2023)
  1. 6
  2. 12
  3. 18
  4. 3

Questions & Step-by-Step Solutions

If two numbers are 18 and 24, what is their HCF? (2023)
  • Step 1: List the factors of 18. The factors are 1, 2, 3, 6, 9, and 18.
  • Step 2: List the factors of 24. The factors are 1, 2, 3, 4, 6, 8, 12, and 24.
  • Step 3: Identify the common factors from both lists. The common factors are 1, 2, 3, and 6.
  • Step 4: Find the largest common factor. The largest common factor is 6.
  • Step 5: Conclude that the HCF of 18 and 24 is 6.
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