Factorial Program in C Using While Loop

I wrote this program that will ask the user to give a number and then the program will compute the factorial value of the given number using while loop statement using C programming language.

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Sample Program Output

Program Listing

/* factorial.c

   Author : Jake Rodriguez Pomperada,MAED-IT

   Date   : November 1, 2019   9:38 AM Friday

*/

#include <stdio.h>

int main()

{

int n=0,nsave=0,factorial=0;

printf("\n");

printf("\tFactorial Program in C Using While Loop");

printf("\n\n");

printf("\tGive a Number : ");

scanf("%d",&n);

nsave = n;

factorial = 1;

while (n>1) {

factorial *= n--;

}

printf("\n");

printf("\tFactorial of %d = %d",nsave,factorial);

printf("\n\n");

printf("\tEnd of Program");

}