Math

Least Common Multiple Calculator

Find the Least Common Multiple (LCM) of two or more numbers. Also shows the GCF and step-by-step work.

Using the LCM Calculator

The Least Common Multiple (LCM) is the smallest positive integer that is divisible by each of a set of numbers. This tool is essential for adding or subtracting fractions with different denominators or solving periodic scheduling problems.

How it Works

Enter your numbers separated by commas or spaces.

Press Calculate to find the LCM.

Review the "Prime Factorization" for each number.

Follow the step-by-step logic to see how the result was reached.