C Program to Calculate Factorial of a Number Using Recursion

#include<stdio.h>

#include<conio.h>

int factorial(int);

void main()

{

    int n;

    printf("Enter a number: ");

    scanf("%d",&n);

    printf("Factorial of %d is %d",n,factorial(n));

    getch();

}

int factorial(int n)

{

    if(n==0)

        return 1;

    else

        return (n*factorial(n-1));

}

OUTPUT:

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