#include "C:\Users\Programmer\Desktop\source code\all_include.h"

int main(void)
{
    long long int number = 0LL;

    puts("此程序可以判断您输入的数是否是质数");
    puts("请输入大于2的数, 输入q退出");
    puts("此程序用C实现");

    while (scanf("%lld", &number) == 1)
    {
        if (number <= 2)
            puts("您的输入不符合规范, 请重新输入");
        for (counter_LL i = 2; i < number; i++)
        {
            if ((number % i) == 0 && number != i)
            {
                printf("%lld不是质数\n", number);
                break;
            }
            else
            {
                printf("%lld是质数\n", number);
                break;
            }
        }
    }

    system("pause");
    return 0;
}