a007. 判斷質數 | From: [120.119.35.46] | 發表日期 : 2012-05-21 22:32

import java.util.Scanner;

public class lol{

public static void main(String [] argv){

Scanner abc = new Scanner(System.in);

while(abc.hasNext()){

int a = abc.nextInt();

for(int b = 2;b < a;b++){

 

if(a % b == 0){

System.out.println("非質數");

break;

}

if(b == a - 1){

System.out.println("質數");

}

}

}

} 

}