[백준] 1929번 : 소수 구하기 - Java(자바)

https://www.acmicpc.net/problem/1929

import java.util.*;
public class Main {
    public static void main(String args[]) {
        Scanner s=new Scanner(System.in);
        int m=s.nextInt();
        int n=s.nextInt();
        for(int i=m;i<=n;i++){
            int k=0;
            if(i==1) k=1;
            for(int j=2;j<=Math.sqrt(i);j++){
                if(i%j==0){
                    k=1;
                    break;
                }
            }
            if(k==0) System.out.println(i);
        }
    }
}