Factorial of 2
2026-02-28 11:38 Diff

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Last updated on October 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 2.

What is the Factorial of 2?

We write the factorial of a number using an exclamation mark (!) after it.

If n is a natural number greater than or equal to 1, then: n! = n × (n - 1) × (n - 2) × (n - 3) × … × 3 × 2 × 1

To find the factorial of 2, we write it as: 2! = 2 × 1 = 2.

Therefore, the factorial of 2 is 2.

Important Glossaries of Factorial of 2

  • Factorial: The process of multiplying a natural number by all the natural numbers smaller than it, expressed with an exclamation mark (!).
  • Natural numbers: Counting numbers starting from 1, like 1, 2, 3, and so on.
  • Multiplication: The mathematical operation of scaling one number by another.
  • Exclamation mark: A symbol used to denote factorial in mathematics.
  • Factorial of 2: The result of multiplying 2 by all natural numbers less than it, which is 2.

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Jaskaran Singh Saluja

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Jaskaran Singh Saluja is a math wizard with nearly three years of experience as a math teacher. His expertise is in algebra, so he can make algebra classes interesting by turning tricky equations into simple puzzles.

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