Description for Factorial of a number (N):
It is denoted as N!.Factorial of a positive number(N) can be found using the formula
N!= N x (N-1) x (N-2) x (N-3) ............2x1.
Special cases:
Factorial of a Zero is One.
ex:
6!= 6 x 5 x 4 x 3 x 2 x 1 =720
For more detail, visit:
http://en.wikipedia.org/wiki/Factorial
Source Code:
/*
Program to find a factorial of a number
Author : sourcecodesonline.blogspot.com
*/
#include<stdio.h>
#include<conio.h>
int main(void)
{
int no,i,fact=1;
clrscr();
printf("\nEnter the number: ");
scanf("%d",&no);
for(i=1;i<=no;i++)
{
fact=fact * i;
}
printf("\nThe factorial of number %d is %d\n",no,fact);
return 1;
}
It is denoted as N!.Factorial of a positive number(N) can be found using the formula
N!= N x (N-1) x (N-2) x (N-3) ............2x1.
Special cases:
Factorial of a Zero is One.
ex:
6!= 6 x 5 x 4 x 3 x 2 x 1 =720
For more detail, visit:
http://en.wikipedia.org/wiki/Factorial
Source Code:
/*
Program to find a factorial of a number
Author : sourcecodesonline.blogspot.com
*/
#include<stdio.h>
#include<conio.h>
int main(void)
{
int no,i,fact=1;
clrscr();
printf("\nEnter the number: ");
scanf("%d",&no);
for(i=1;i<=no;i++)
{
fact=fact * i;
}
printf("\nThe factorial of number %d is %d\n",no,fact);
return 1;
}
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