How to use the Excel FACT function

Summary

The Excel FACT function returns the factorial of a given number. For example, =FACT(3) returns 6, equivalent to 3 x 2 x 1.

Purpose

Find the factorial of a number

Return value

The factorial of a number

Syntax

=FACT (number)

Arguments

number - The number to get the factorial of.

Version

Excel 2003

Usage notes

The number cannot be negative or FACT will return the #NUM error.
If the number is not an integer it will be truncated to an integer, then solved.

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Excel FACT Function

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