Find Least Common Multiple of 150 and 70 by listing out the factors.

LCM( 150, 70 ) = 1050

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

The multipliers of 150 are: 150, 300, 450, 600, 750, 900, 1050, 1200, . . .

The multipliers of 70 are: 70, 140, 210, 280, 350, 420, 490, 560, 630, 700, 770, 840, 910, 980, 1050, 1120, . . .

We can see that:

LCM( 150, 70 ) = 1050

This solution can be visualized using a Venn diagram.

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