Statistics Factorial – lesscss

By | September 8, 2019

Statistics – Factorial

Factorial is a function applied to natural numbers greater than
zero. The symbol for the factorial function is an exclamation
mark after a number, like this: 2!

Formula

${n! = 1 times 2 times 3 … times n}$

Where −

  • ${n!}$ = represents factorial

  • ${n}$ = Number of sets

Example

Problem Statement:

Calculate the factorial of 5 i.e. 5!.

Solution:

Multiply all the whole numbers up to the number considered.

${5! = 5 times 4 times 3 times 2 times 1 , \[7pt] , = 120}$

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