C program to find factorial of a number. It is a simple calculation of a factorial method. This is a basic C tutorial for beginners. Sample source code for this program is given below,
FACTORIAL IN C PROGRAM
This C program is used to find the factorial series for “n” numbers. For example if the factorial is 3, then the calculation will be like this (3! = 3x2x1=6). It will calculate every values by using the looping statement of for loop (for(cn=num;cn>1;cn-)).
FACTORIAL CODE IN C:
Q: Write a C program to calculate factorial of a number.
/* Title: Simple factorial program in c
Author: Vinoth Selvaraj
© http://students3k.com
*/
//Header files
# include <stdio.h>
# include <conio.h>
void main()
{
//Program variables
int cn,num,f=1;
clrscr(); //Function to clear previous output
printf("Enter the value:"); //Display function
scanf("%d",&num); //Getting input function
for(cn=num;cn>1;cn--) //Looping statement
{
f = f * cn;
}
printf("Factorial of %d is %d",num,f);
getch();
}