# Lowest common multiple (LCM)

The multiples of a number are all the numbers that it will divide into.

The multiples of are , , , , , , , , , ,

The multiples of are , , , , , , , , , ,

, , and are multiples of both and and are known as the common multiples of and .

The lowest number that is a multiple of and is . So the lowest common multiple (LCM) of and is .

Question

What is the LCM of and ?

The multiples of are , , , , , , ,

The multiples of are , , , , , ,

So the LCM of and is .

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