FACT

MS Excel Spreadsheet

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 spreadsheet.

ShowHow?

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)