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## Purpose

Get the least common multiple or two or more numbers

## Return value

A number that represents the least common multiple of all numbers

## Syntax

=LCM (number1, [number2], …)

## Arguments

**number1**– The first number.**number2**– [optional] The second number.

## Usage notes

Use the LCM function when you want to calculate the least common multiple of integers. The least common multiple is the smallest positive integer that is a multiple of all of the numbers supplied as arguments. A common use of the LCM function is to add fractions that have different denominators.

For example, =LCM(3,4) returns 12, since 12 is the smallest multiple of both 3 and 4. However, =LCM(3,4,5) returns 60, since 60 is the smallest multiple of all three numbers.