检测是否为n的因子 Exercise07_06

 /**
  * @author 冰樱梦
  * 时间：2018年下半年
  * 题目：检测是否为n的因子
  *
  */
 public class Exercise07_06 {
     public static void main(String[] args){
         final int NUMBER_OF_PRIMES=50;
         final int NUMBER_OF_PRIMES_PER_LINE=10;
         int count=0;
         int number=2;
         System.out.println("The first 50 prime numbers are \n");

         while(count<NUMBER_OF_PRIMES){
             boolean isPrime=true;

             for(int divisor=2;divisor<=Math.pow(number, 0.5);divisor++){
                 if(number % divisor==0){
                     isPrime=false;
                     break;
                 }
             }
             if(isPrime){
                 count++;

                 if(count%NUMBER_OF_PRIMES_PER_LINE==0){
                     System.out.println(number);
                 }
                 else
                     System.out.print(number+" ");
             }
             number++;
         }

     }
 }