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Question
Using the common factor method, find the H.C.F. of 8, 12 and 18
Solution
F8 = 1, 2, 4, 8
F12 = 1, 2, 3, 4, 6, 12
F18 = 1, 2, 3, 6, 9, 18
Common factors between 8, 12 and 18 = 1, 2
H.C.F. of 8, 12 and 18 = 2
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