Factorial of 5

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    • Factorial program in c++ using class.

    C++ Program to Find Factorial of a Number Using Iteration

    Factorial of a number n is the product of all integers from 1 to n. In this article, we will learn how to find the factorial of a number using iteration in C++.

    Example

    Input: 5
    Output: Factorial of 5 is 120

    Factorial of Number Using Iteration in C++

    To find the factorial of a given number we can use loops.

    First, initialize the factorial variable to 1, and then iterate using a loop from 1 to n, and in each iteration, multiply the iteration number with factorial and update the factorial with the new value.

    C++ Program to Find Factorial Using Iteration

    The below program shows how we can find the factorial of a given number using the iteration method.


    OutputFactorial of 5 is 120

    Time Complexity: O(N), where N is the given number
    Auxiliary Space: O(1)


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