Question 37

The LCM of the three numbers 16, 28 and 42 is:

Solution

LCM of 16, 28 and 42

Factorize all three numbers we get

$$16=2\times2\times2\times2$$

$$28=2 \times2 \times7$$

$$42=2 \times 3 \times7$$

Least
Common Multiple
$$LCM=2\times2\times2\times2\times3\times7$$
$$LCM=336$$

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