Write C Program to find factorial of Number. Today we will learn How to Find factorial of Number Using C Program. But First of All lets discuss what is a Factorial. It is denoted by n! C/C for Visual Studio Code (Preview) C/C support for Visual Studio Code is provided by a Microsoft C/C extension to enable cross-platform C and C development on Windows, Linux, and macOS. Getting started C/C compiler and debugger. The C/C extension does not include a C.
Factorial program in C using a for loop, using recursion and by creating a function. Factorial is represented by '!', so five factorial is written as (5!), n factorial as (n!). Also, n! = n*(n-1)*(n-2)*(n-3)..3.2.1 and zero factorial is defined as one, i.e., 0! = 1.
Factorial in C using a for loop
#include <stdio.h>int main()
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- The above solutions cause overflow for small numbers. Please refer factorial of large number for a solution that works for large numbers. Please write comments if you find any bug in above code/algorithm, or find other ways to solve the same problem.
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{
int c, n, f =1;
printf('Enter a number to calculate its factorialn');
scanf('%d',&n);
for(c =1; c <= n; c++)
f = f * c;
printf('Factorial of %d = %dn', n, f);
return0;
}
Output of C factorial program:
Download Factorial program.
Factorial program in C using recursion
#include<stdio.h>long factorial(int);
int main()
{
int n;
long f;
printf('Enter an integer to find its factorialn');
scanf('%d',&n);
if(n <0)
How To Program A Factorial C
printf('Factorial of negative integers isn't defined.n');else
{
f = factorial
(n);printf('%d! = %ldn', n, f);
}
return0;
}
long factorial(int n)
{
if(n 0)// Base case
return1;
else
return(n*factorial(n-1));
}
In recursion, a function calls itself. In the above program, the factorial function is calling itself. To solve a problem using recursion, you must first express its solution in recursive form. /daisydisk-registration-key.html.
C program to find factorial of a number
C++ Factorial While Loop
#include <stdio.h>long factorial(int);
int main()
{
int n;
printf('Enter a number to calculate its factorialn');
scanf('%d',&n);
printf('%d! = %ldn', n, factorial(n));
return0;
}
long factorial(int n)
{
int c;
long r =1;
for(c =1; c <= n; c++)
r = r * c;
Factorial Program In C
return r;
}