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Secondary 1 | Maths
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Testing on hcf, lcm, primes. Please help and include an explanation if possible, thank you very much.
Date Posted: 2 years ago
Views: 283
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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.
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