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Dec 30th, 2019
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  1. // 2019/12/29(日)
  2. // 素数
  3.  
  4. import java.util.Scanner;
  5.  
  6. public class PrimeNum {
  7. public static void main(String[] args) {
  8. // Scanner scanner = new Scanner(System.in);
  9.  
  10. int num = 100;
  11. boolean isPrime = true;
  12.  
  13. for (int i = 2; i <= num; i++) {
  14. for (int j = 2; j <= i - 1; j++) {
  15. if (i % j == 0) {
  16. isPrime = false;
  17. break;
  18. }
  19. }
  20. if (isPrime) {
  21. System.out.println(i);
  22. } else /* !isPrime */ {
  23. isPrime = true;
  24. }
  25. }
  26. }
  27. }
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