The Excel LCM Function

Related Function:
GCD Function

Basic Description

The Excel LCM function returns the least common multiple of two or more supplied integers.

The format of the function is:

LCM( number1, [number2], ...)

Where the number arguments are up to 255 numerical values for which you want to calculate the least common multiple.

If any of the supplied numbers are decimals, these values are truncated to integers.

LCM Function Examples

Column A of the spreadsheet below, shows four examples of the Excel Lcm Function.

1=LCM( 1, 5 )
2=LCM( 15, 10, 25 )
3=LCM( 1, 8, 12 )
4=LCM( 7, 2 )

Further information and examples of the Excel Lcm function can be found on the Microsoft Office website.

LCM Function Common Errors

If you get an error from your Excel Lcm function this is likely to be one of the following:

Common Errors
#NUM!-Produced if any of the supplied number arguments are less than zero.
#VALUE!-Produced if any of the supplied number arguments are non-numeric.