Aug 1, 2025 · Factorial Calculator. Find the factorial n! of a number, including 0, up to 4 digits long. n! factorial calculator and examples. Free online factorial calculator.

The factorial function (symbol: !) says to multiply all whole numbers from our chosen number down to 1. We usually say (for example) 4! as "4 factorial", but some people say "4 shriek" or …

In mathematics, the factorial of a non-negative integer , denoted by , is the product of all positive integers less than or equal to . The factorial of also equals the product of with the next smaller …

Find the factorial of 2 as well how many trailing zeros and number of digits in 2 factorial by using our Factorial Calculator

The factorial of a whole number n, denoted as n!, is the product of all the whole numbers between 1 and n: 1×2×3×…× (n−1)×n. So 3! would be 1×2×3 = 6.

What is the Factorial of 2? In this article we'll show you how to calculate the factorial of 2 with a really quick, step-by-step explanation of how it's calculated.

The factorial of 2, written as 2!, is the product of all positive integers less than or equal to 2.

To determine the number of zeros at the end of a factorial, recursively divide the number by 5 until the quotient is less than 5, and sum the results after applying the greatest integer function.

Free online factorial calculator: Calculate factorials (n!), double factorials (n!!), and subfactorials. Perfect for combinatorics, probability, and mathematical calculations.

You can use our Factorial Calculator to calculate the factorial of any real number between 0 and 5,000. To use this calculator just enter a positive integer number less than or equal to 5000.