Question

Find the HCF of 18 and 24 using prime factorisation method.
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Answer 1

Answer:

18 = 1 × 2 × 3 × 3. 24 = 1 × 2 × 2 × 2 × 3. Common factor of 18 and 24 = 1, 2, 3. Highest common factor of 18 and 24 = 2 × 3 = 6.

Answer 2

Answer:

18 = 1 × 2 × 3 × 3. 24 = 1 × 2 × 2 × 2 × 3. Common factor of 18 and 24 = 1, 2, 3. Highest common factor of 18 and 24 = 2 × 3 = 6.

Step-by-step explanation:

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