判断素数

package test;import java.util.Scanner;public class SuShu {public static void main(String[] args){Scanner scanner=new Scanner(System.in);System.out.println("请输入你想查询的数字：");int x=scanner.nextInt();int i=2,flage=0;while (flage==0 && x>i) {if (x%i==0) {flage=1;} else {i++;}}if (flage==0) {System.out.println(x+"是素数");}else {System.err.println(x+"不是素数");}}}--------------------------------------------------------------------------------------------------------------

syso...

请输入你想查询的数字：1313是素数