9! = 362880

Fri, 01 May 2026 03:56:36 +0000

Understanding Why 9! Equals 362,880: The Math Behind Factorials When exploring the fascinating world of mathematics, factorials stand out as fundamental concepts, especially in combinatorics, probability, and algebra. One particular fact stands out: 9! equals 362,880. But why is this true? And how can grasping this formula help deepen your understanding of numbers? Let’s dive into the details. ### What Is a Factorial? The factorial of a non-negative integer \\( n \\), written as \\( n! \\), represents the product of all positive whole numbers from 1 to \\( n \\). For example: