C++ program to calculate the factorial of given number

YASH PAL, 31 July 202427 January 2026

In this post, we will write a C++ program to calculate the factorial of a given number. user will enter a number and the program will print the factorial of that number.

C++ program to calculate the factorial of given number

C++ program to calculate factorial of a given number.

#include<iostream>
#include<conio.h>

int main()
{
   system("cls");

    int i,n;
    double res;

    std::cout<<"Enter any number = ";
    std::cin>>n;

    res = 1;

    for(i=1;i<=n;i++)
        res = res*i;

    std::cout<<"The factorial of given number is = "<<res;

    getch();
    return 0;

}

Output

Enter any number = 6
The factorial of given number is = 720

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