Program to Find the factorial of a number

Problem statement:- Program to Find the factorial of a number.

Sample Input/Output:-

Sample Input First: 5                      Sample Output First: 120

Sample Input Second: 7                 Sample Output Second: 5040

Explanation:- 

For output 1st: 5*4*3*2*1=120 

For output 2nd: 7*6*5*4*3*2*1=5040 

Data requirement:-

   Input Data:- num

  Output Data:-fact

  Additional Data:- i

Program in C
  

Here is the source code of the C Program to Find the factorial of a number.

Code:

#include<stdio.h>

int main()

{

    int num,i;

    printf("Enter a number:");

    scanf("%d",&num);

    int fact=1;

    for(i=1;i<=num;i++)

        fact=fact*i;

    printf("The factorial is %d",fact);

}

Input/Output:

Enter a number:

5

The factorial is 120

Program in C++
  

Here is the source code of the C++ Program to Find the factorial of a number.

Code:

#include<iostream>

using namespace std;

int main()

{

    int num;

    cout<<"Enter a number:";

    cin>>num;

    int fact=1;

    for(int i=1;i<=num;i++)

        fact=fact*i;

    cout<<"The factorial is "<<fact;

}

Input/Output:

Enter a number:6

The factorial is 720

Program in Java
  

Here is the source code of the Java Program to Find the factorial of a number.

Code:

import java.util.Scanner;

public class FactorialOfNumber {

public static void main(String[] args) {

Scanner cs=new Scanner(System.in);

int num;

    System.out.println("Enter a number:");

    num=cs.nextInt();

    int fact=1;

    for(int i=1;i<=num;i++)

        fact=fact*i;

    System.out.println("The factorial is "+fact);

cs.close();

}

}

Input/Output:

Enter a number:

7

The factorial is 5040

Program in Python
  

Here is the source code of the Python Program to Find the factorial of a number.

Code:

num=int(input("Enter a number:"))

fact=1
for i in range(1,num+1):
   fact=fact*i
print("The Factorial is",fact)

Input/Output:

Enter a number:10

The Factorial is 3628800

Most Recommend Questions:-

• Write a Program to calculate prime Factors of number.

• Write a Program to check whether the number is a Happy Number or Not.

• Write a program to calculate G.C.D or HCF of two numbers.

• Write a program to find out all primes numbers present within a given range.

• Write a program to reverse a given number.
  

More Questions:-

Numbers Programming Problem and Solution(70)

C/C++/Java/Python Practice Question