### Ladder Help

1. Identify common factors.

2. Place common factors outside.

3. Divide each number.

4. Write the quotient below.

5. Repeat until no common factors.

6. Multiply all resultant factors with remaining number.

7. Multiplication is the LCM.

### What is Ladder?

The ladder method also known as cake method. It is a technique for finding the Least Common Multiple or LCM of numbers by systematically dividing them with their smallest common prime factors until no common factor found, noting the divisors leftward as well as downward. Finally, the LCM is obtained by multiplying these divisors.