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Find the Highest common factor (HCF) of 18 and 24. Show working.?
Wiki User
∙ 7y ago
The answer is as follows:
The prime factorisation of the two number is:
18 = 2*3*324 = 2*2*2*3
The HCF is the product every number which appears in both lists (repeated appearances mean repeated inclusion in HCF):
HCF = 2*3 = 6
Wiki User
∙ 7y ago
Wiki User
∙ 7y agoIt is 6 because it is the highest number that will go into 18 and 24 leaving no remainders
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