Find Least Common Multiple of 9, 13 and 26 by listing out the factors.

LCM( 9, 13, 26 ) = 234

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

The multipliers of 9 are: 9, 18, 27, 36, 45, 54, 63, 72, 81, 90, 99, 108, 117, 126, 135, 144, 153, 162, 171, 180, 189, 198, 207, 216, 225, 234, 243, . . .

The multipliers of 13 are: 13, 26, 39, 52, 65, 78, 91, 104, 117, 130, 143, 156, 169, 182, 195, 208, 221, 234, 247, . . .

The multipliers of 26 are: 26, 52, 78, 104, 130, 156, 182, 208, 234, 260, . . .

We can see that:

LCM( 9, 13, 26 ) = 234

This solution can be visualized using a Venn diagram.

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