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public class Main {
  public static void main(String[] args) {
  int num = 0;
  for (byte i = 2;; i++) { //ÎÊÌâ´¦
  int j = (int) Math.sqrt(i);
  int count = 0;
  for (int k = 1; k <= j; k++) {
  if (i % k == 0) {
  count++;
  }
  }
  if (count == 1) {
  System.out.print(i + " ");
  num++;
  if (num % 10 == 0) {
  System.out.print("\n");
  }
  }
  }
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