C Program to find factorial of a Number using While Loop

C Program for how to find factorial of a Number using while loop

Posted on 26 Jun 2019 Category: C Views: 6450

C Program to find factorial of a Number Using 'While' Loop

Here we will learn to calculate the factorial of a number using while loop . The factorial of a positive integer n is equal to 1*2*3*...n. This program takes a positive integer from the user and computes factorial using while loop.

PROGRAM

#include<stdio.h>
#include<conio.h>
void main()
{
    int n,i,f;
    f=i=1;
    
    printf("Enter the number: ");
    scanf("%d",&n);
    while(i<=n)
    {
        f*=i;
        i++;
    }
    printf("factorial= %d",n,f);
    getch();
}

OUTPUT

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