How does the LCM function (DAX) work?

The LCM function (DAX) returns the least common integer number. The least common multiple is the smallest positive integer, which is a multiple of all number1, number2, and so forth integer arguments. Using LCM to add different-denominator fractions.

LCM Formula Syntax

LCM(
     number1, [number2], …
)

How do you use the LCM function?

Use LCM to add different denominators to fractions.

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Related Support Forum Posts

Understanding DAX Formula
Developing Complex Dax functions

Considerations when using the LCM function

If any argument is nonnumeric, LCM returns the #VALUE! error value.

If any argument is less than zero, LCM returns the #NUM! error value.

If LCM(a,b) >=2^53, LCM returns the #NUM! error value.

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Formula examples using the LCM function

=LCM(5, 2)

Least common multiple of 5 and 2
Result: 10

=LCM(24, 36)

Least common multiple of 24 and 36
Result: 72

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