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MS Excel: Fact Function


In Excel, the Fact function returns the factorial of a number.

The syntax for the Fact function is:

Fact( number )

number is a numeric value.


Applies To:

  • Excel 2007, Excel 2003, Excel XP, Excel 2000

For example:

Let's take a look at an example:

Based on the Excel spreadsheet above:

=Fact(A1) would return 6
=Fact(A2) would return 6
=Fact(A3) would return 1
=Fact(A4) would return #NUM!
=Fact(4) would return 24