LCM Calculator

LCM Calculator with steps is used to calculate the least common multiple of two numbers. Enter any two numbers below, and the least common multiple calculator will calculate the LCM with step by step instructions on how to solve it.

Least Common Multiple Calculator
Number 1:
Number 2:

What is the least common multiple of and ?

Answer:

How to Find LCM of Two Numbers?

How to find the lcm of and ?

Method 1 - Listing Multiples

To find the lcm of and , we first need to find the multiples of and and then choose the least common multiple that are dividable by and .

Multiples of =
Multiples of =

The least common multiple of and is , because is the smallest number that is divisible by both and .

Method 2 - Prime Factorization

Another method to find the least common multiple of and is by using the prime factorization method.
To use prime factorization, we first need to find the prime factors of and , and then get the LCM by multiplying the prime factors that are rasied to their highest power from the two sets.

Prime factorization of =
Prime factorization of =
Prime factors to the highest power = =