FACT function

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.

Examples

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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