Find Least Common Multiple of 8, 19 and 23 using ladder method..

LCM( 8, 19, 23 ) = 3496

Step 1 : Place the numbers inside division bar:

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

Since there are no primes that divides at least two of given numbers, we conclude that the LCM is a product of starting numbers.

LCM = 8 · 19 · 23 = 3496

This solution can be visualized using a Venn diagram.

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