Question

Find the lcm and hcf of 8,12,18

Answer 1

Answer:

18 18 has factors of 2 2 and 9 9 . 9 9 has factors of 3 3 and 3 3 . The LCM of 8,12,18 8 , 12 , 18 is the result of multiplying all prime factors the greatest number of times they occur in either number. The LCM of 8,12,18 8 , 12 , 18 is 2⋅2⋅2⋅3⋅3=72 2 ⋅ 2 ⋅ 2 ⋅ 3 ⋅ 3 = 72 .

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