Q183 of 200 Page 5

Find the LCM of 160, 170 and 90.

160 = 2 × 2 × 2 × 2 × 2 × 5


170 = 2 × 5 × 17


90 = 2 × 3 × 3 × 5


We know, LCM is calculated as product of unique divisors of no’s


Here,


Lcm = 2 × 2 × 2 × 2 × 3 × 3 × 5 × 17


= 12240


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