Factorial of a Number in C++

Factorial of a Number in C++

Today we write Factorial Program in C++. It is very simple and easy. Factorial of any number means the product of a number and below it. For example factorial of 6 is; 6*5*4*3*2*1 = 720

Program Code

#include <iostream>
 using namespace std;
 int main()
 {
 int i, n, factorial = 1;
 cout<<"Enter any positive integer: ";
 cin>>n;
 for (i = 1; i <= n; ++i)
 {
 factorial= factorial* i;
 }
 cout<< "Factorial of "<<n<<" = "<<factorial;
 return 0;
}

Output:

Enter any positive integer: 6
Factorial of 6 = 720

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