0~100之间的素数

public class sushu
{
 public static void main(String[] args)
     {
   int c = 0;
   int n = 0;
   System.out.print(2);
                     for(int a = 3;a <= 100;a++)
               {
                      c=0;
                      for(int b = 2;b < a;b++)               
                      {
                        if(a%b == 0)
                              c = c+1 ;
                       else
                              c = c;
                       }
                              if(c == 0)
                              System.out.print("\t"+a);n=n+1;
                }  
    }
}