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Anonymous
LCM of 40 60 70 is 840.
40 = 2 x 2 x 2 x 5
60 = 2 x 2 x 3 x 5
70 = 2 x 5 x 7
Using the largest exponent method
LCM = 23 x 31 x 51 x 71 = 8 x 3 x 5 x 7 = 840
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The LCM is 1080.
The LCM of 40 and 56 and 60 is 840.
The LCM is: 840
The LCM is: 360
The LCM is 70.