Least Common Multiple

Common Multiple

A common Multiple number is a multiple of two or more numbers.

Example

Multiple of 3 and 4:

NumberMultiples
33, 6, 9, 12, 15, 18, 21, 24, …
44, 8, 12, 16, 20, 24, …

So, the common multiples of 3 and 4 are: 12, 24, …

Least Common Multiple

Least Common Multiple is smallest positive number that is a multiple of two or more numbers. It is simply the smallest of common multiples.

From the previous example, the Least Common Multiple of 3 and 4 is 12

Example

With 3 Numbers

NumberMultiples
22, 4, 6, 8, 10, 12, 14, 16, 18, 20, …
33, 6, 9, 12, 15, 18, 21, 24, …
66, 12, 18, 24, …

The Least Common Multiple of 2, 3, and 6 is 6

Learn More

Common Factor

Greatest Common Factor

Table of Factors and Multiples

Simplifying Square Roots

Numbers Index