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FACT
See Also
Returns the factorial of a number. The factorial of a number is equal to 1*2*3*...* number.
Syntax
FACT(number)
Number is the nonnegative number you want the factorial of. If number is not an integer, it is truncated.
Example
The example may be easier to understand if you copy it to a blank worksheet.
How?
- Create a blank workbook or worksheet.
- Select the example in the Help topic. Do not select the row or column headers.
![Selecting an example from Help](../img/selecthelp.gif)
Selecting an example from Help
- Press CTRL+C.
- In the worksheet, select cell A1, and press CTRL+V.
- To switch between viewing the results and viewing the formulas that return the results, press CTRL+` (grave accent), or on the Tools menu, point to Formula Auditing, and then click Formula Auditing Mode.
|
A |
B |
Formula |
Description (Result) |
=FACT(5) |
Factorial of 5, or 1*2*3*4*5 (120) |
=FACT(1.9) |
Factorial of the integer of 1.9 (1) |
=FACT(0) |
Factorial of 0 (1) |
=FACT(-1) |
Negative numbers cause an error value (#NUM!) |
=FACT(1) |
Factorial of 1 (1) |
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