find the LCM of 16,30 and 42
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1680 is the right answer
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16=2 x 2 x 2 x 2
30=2 x 3 x 5
42=2 x 3 x 7
LCM=2 x 3 x 2 x 2 x 2 x 5 x 7
= 6×4×10×7
= 24× 70
= 1680
30=2 x 3 x 5
42=2 x 3 x 7
LCM=2 x 3 x 2 x 2 x 2 x 5 x 7
= 6×4×10×7
= 24× 70
= 1680
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