Math & Trig
All versions
◉ 22 views
=FACT()
Returns the factorial of a number. The factorial of a number is equal to 1*2*3*...* number.
Applies To:
Excel for Microsoft 365Excel for Microsoft 365 for MacExcel 2024Excel 2024 for MacExcel 2021Excel 2021 for MacExcel 2019Excel 2016
=FACT(number)
Hover argument names in the table for details.
Output typeNumber
Popularity12 / 100
VolatileNo
Dynamic ArrayNo
Download sample .xlsx ▦ Try in Playground
Dedicated file for this function — safe & lightweight · sample data + live formulas
⬇ Download Sample Workbook
A dedicated .xlsx for =FACT() with Persian sample data & live formulas — open in Excel and practice.
- Sheet “Sample” — data table + formula in place
- Sheet “Guide” — syntax, arguments & tips from this page
- Instant & secure (token + rate limit)
Quiz this function
%d questions — syntax, example & errors — test yourself!
◧ Arguments
| Argument | Type | Required | Description |
|---|---|---|---|
number |
Number | Required | The nonnegative number for which you want the factorial. If number is not an integer, it is truncated. |
▣ Examples
Factorial of 5, or 1*2*3*4*5
=FACT(5)
Result:
120
Factorial of the integer of 1.9
=FACT(1.9)
Result:
1
Factorial of 0
=FACT(0)
Result:
1
Factorial of a negative number returns an error value
=FACT(-1)
Result:
#NUM!
Factorial of 1
=FACT(1)
Result:
1
💬 Comments & Q&A 0 approved
🔒 Your comment will be published after review.Share your thoughts — visible after admin approval
No comments yet — be the first!