Chong Ka Shing's answer to DumbFungus's Secondary 1 Maths Singapore question.
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Breakdown 42 and 56 into their prime notation respectively.
42 = 2 * 3 * 7
56 = 2 * 2 * 2 * 7
As you can see, 2 and 7 are common prime factors of 42 and 56. Hence HCF = 2 * 7 = 14.
42 = 2 * 3 * 7
56 = 2 * 2 * 2 * 7
As you can see, 2 and 7 are common prime factors of 42 and 56. Hence HCF = 2 * 7 = 14.
Date Posted:
2 years ago
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