Factorial of 100: Learn how to calculate the factorial of

Learn how to calculate the factorial of 100, which is the product of all positive integers from 1 to 100. See the result, the number of zeros, the digit count, and the examples of factorials of other numbers. Oct 8, 2025 · Factorial is the process of taking a number and multiplying it by all the lesser natural numbers. The factorial of a number n is denoted by n!. In this topic, we will learn about the factorial of 100. In this article we'll show you how to calculate the factorial of 100 with a really quick, step-by-step explanation of how it's calculated. First off, what exactly is a factorial? The factorial is the result of multiplying all whole numbers in a chosen number (in this case 100) all the way down to 1. You will generally see factorials expressed with an exclamation mark after the number, like so: 100! So let's take 100 and calculate the factorial by multiplying each whole number: 100 x 99 x 98 ... What is the factorial of 100? How do we calculate the factorial of 100? We will be shedding light on all these significant topics over here.