Find Least Common Multiple of 106, 159 and 371 using ladder method..

LCM( 106, 159, 371 ) = 2226

Step 1 : Place the numbers inside division bar:

Step 2 : Find a prime number which can divide at least two of your numbers.

In this example we can divide by 53. If any number is not divisible by 53 write it down unchanged.

Step 4 : LCM is a product of numbers into L shape.

LCM = 53 · 2 · 3 · 7 = 2226

This solution can be visualized using a Venn diagram.

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