faculty

#include <stdio.h>
#include <stdlib.h>

int main()
{
    int n,i;
    unsigned long long faculty = 1;
    unsigned long long factor = 2;

    printf("faculty of: ");
    scanf("%d",&n);
    printf("%lld",faculty);
    n--;

        for (i=1; i<=n; i++){
            faculty = faculty * factor;
            printf("* %lld",factor);
            factor ++;
        }
    printf(" = %lld",faculty);
    return 0;
}