Evaluate the following expression

25!

Factorial Definition

Product of positive integers ≤ n.
n! = n x (n - 1) x (n - 2) x ... x 2 x 1

Factorial Expansions are as follows:

25! = 25 x 24 x 23 x 22 x 21 x 20 x 19 x 18 x 17 x 16 x 15 x 14 x 13 x 12 x 11 x 10 x 9 x 8 x 7 x 6 x 5 x 4 x 3 x 2 x 1

25! = 1.5511210043331E+25

Simplify factorial expansions:

25! = 1.5511210043331E+25

Excel or Google Sheets formula:

=FACT(25)

What is the Answer?

1.5511210043331E+25

How does the Factorials Calculator work?

Free Factorials Calculator - Calculates the following factorial items:
* A factorial of one number such as n!
* A factorial of a numerator divided by a factorial of a denominator such as n!m!/a!b!
* Double Factorials such as n!!
* Stirlings Approximation for n!
This calculator has 1 input.

What 1 formula is used for the Factorials Calculator?

n! = n * (n - 1) * (n - 2) * ... * 2 * 1

For more math formulas, check out our Formula Dossier

What 2 concepts are covered in the Factorials Calculator?

factorialThe product of an integer and all the integers below itstirlings approximation

Example calculations for the Factorials Calculator

Factorials Calculator Video

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