C语言编程验证113600是素数

113600不是质数.
#include <stdio.h>
main()
{ long i, n;
int booli;
scanf("%ld", &n);
for (booli = 0, i = 2; i * i <= n; i ++)
if (n % i == 0)
{ booli = 1;
break;
}
if (booli)
printf("it is not prime\n");
else
printf("it is prime\n");
return 0;
}