lcm(7, 20, 35) = 140
7 = 7
20 = 2^2 x 5
35 = 5 x 7
lcm = 2^2 x 5 x 7 = 140
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Factor them. 7 2 x 2 x 5 = 20 5 x 7 = 35 Combine the highest amount of each factor. 2 x 2 x 5 x 7 = 140, the LCM
LCM of 35 and 20 = 140
The LCM is 175.
The LCM is: 35
The LCM is: 315