For: Factorial iterativo

#include <stdio.h>

int main(){
	
	int i, fact=1, num;
	
	printf("Ingresa numero: ");
	scanf("%d",&num);
	
	for(i=1; i<=num; i++){
		fact = fact * i;
	}
	
	printf("El factorial de %d es %d\n", num,fact);
	
	system("pause");
	return 0;
}