Question

Lcm of 80, 85, 90 in long method.

Answer 1

hope this may help........

Answer 2

5 | 80 , 85 , 90

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2 | 16 , 17 , 18

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2 | 8 , 17 , 9

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2 | 4 , 17 , 9

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2 | 2 , 17 , 9

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3 | 1 , 17 , 9

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3 | 1 , 17 , 3

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17 | 1 , 17 , 1

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- | 1 , 1 , 1

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LCM = 5 x 2⁴ x 3² x 17 = 12240

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Answer: 12240