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Factor them.

3 x 3 = 9

5 x 5 = 25

2 x 2 x 2 x 3 x 5 = 120

Combine the highest amount of each prime factor.

2 x 2 x 2 x 3 x 3 x 5 x 5 = 1800, the LCM

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โˆ™ 2015-12-08 23:10:57
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โˆ™ 2013-08-08 08:33:03

120 = 2*2*2*3*5

25 = 5*5

9 = 3*3

So LCM = 2*2*2*3*3*5*5 = 1800

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Q: How do you get the LCM of 120 25 and 9?
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