C Program to accept a number and find factorial of given number

Program 1: Factorial program in c using for loop

#include<stdio.h>

#include<conio.h>

int main(){

  int i,f=1,num;

  printf("Enter a number: ");

  scanf("%d",&num);

  for(i=1;i<=num;i++)

      f=f*i;

 printf("Factorial of %d is: %d",num,f);

  return 0;

 getch();

}

Output:

Program 2: Factorial program in c using function

#include<stdio.h>

#include<conio.h>

int findFactorial(int);

int main(){

 int i,factorial,num;

 printf("Enter a number: ");

  scanf("%d",&num);

  factorial = findFactorial(num);

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

  return 0;

getch();

}

 int findFactorial(int num){

    int i,f=1;

   for(i=1;i<=num;i++)

      f=f*i;

    return f;

}

Output:

Program 3: Factorial series in c

#include<stdio.h>

int main(){

  long f=1;

  int i,num,min,max;

  printf("Enter the minimum range: ");

  scanf("%d",&min);

  printf("Enter the maximum range: ");

  scanf("%d",&max);

  printf("Factorial series in given range: ");

  for(num=min;num<=max;num++){

    f=1;

    for(i=1;i<=num;i++)

      f=f*i;

    printf("%ld ",f);

  }

  return 0;

}

Output:

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