C Program to Calculate Factorial of a Number

Factorial of an integer is the product of the integer and all the integers below it; e.g. factorial five ( 5! ) is equal to (5*4*3*2*1) =120.

  1. //C Program to calculate factorial of a number
  2. #include<stdio.h>
  3. int main()
  4. {
  5. int n, i, fact=1;
  6. printf("Enter a number: ");
  7. scanf("%d", &n);
  8. for (i=1; i<=n; i++)
  9. {
  10. fact=fact*i;
  11. }
  12. printf("Factorial = %d", fact);
  13. return 0;
  14. }

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