Find Least Common Multiple of 66, 44 and 22 by listing out the factors.

LCM( 66, 44, 22 ) = 132

Write down multiples of each number until you find the first common multiple:

The multipliers of 66 are: 66, 132, 198, . . .

The multipliers of 44 are: 44, 88, 132, 176, . . .

The multipliers of 22 are: 22, 44, 66, 88, 110, 132, 154, . . .

We can see that:

LCM( 66, 44, 22 ) = 132

This solution can be visualized using a Venn diagram.

The LCM is equal to the product of all the numbers on the diagram.