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Nov 21st, 2017
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  1. /**
  2. * Primzahl prüfen (Primzahltest)
  3. */
  4. public static boolean isPrim(final long value) {
  5. if (value <= 2) {
  6. return (value == 2);
  7. }
  8. for (long i = 2; i * i <= value; i++) {
  9. if (value % i == 0) {
  10. return false;
  11. }
  12. }
  13. return true;
  14. }
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