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Prime & Composite Arbeitsblatt

Empfohlen für 4. Klasse — 6. Klasse

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Prime & Composite Arbeitsblatt

Name: ____________________Datum: ____________

Anweisungen: Primzahlen und zusammengesetzte Zahlen identifizieren und Primfaktorzerlegungen schreiben.

20 Probleme

  1. Prime numbers in {15, 19, 2, 8, 3, 23} → ______
  2. Prime numbers in {19, 5, 13, 9, 21, 25} → ______
  3. Prime numbers in {29, 19, 5, 7, 9, 15} → ______
  4. Prime numbers in {27, 29, 7, 5, 17, 15} → ______
  5. Prime numbers in {21, 15, 3, 19, 13, 23} → ______
  6. Prime numbers in {19, 8, 15, 13, 12, 2} → ______
  7. Prime numbers in {5, 7, 29, 9, 25, 2} → ______
  8. Prime numbers in {21, 8, 27, 5, 13, 12} → ______
  9. Prime numbers in {8, 29, 17, 12, 5, 21} → ______
  10. Prime numbers in {12, 11, 5, 2, 23, 7} → ______
  11. Prime numbers in {27, 17, 8, 21, 9, 2} → ______
  12. Prime numbers in {23, 21, 12, 2, 11, 29} → ______
  13. Prime numbers in {21, 17, 25, 7, 13, 27} → ______
  14. Prime numbers in {5, 8, 21, 9, 27, 13} → ______
  15. Prime numbers in {12, 27, 15, 2, 8, 17} → ______
  16. Prime numbers in {9, 13, 3, 25, 17, 7} → ______
  17. Prime numbers in {5, 2, 25, 17, 9, 15} → ______
  18. Prime numbers in {5, 3, 12, 27, 19, 21} → ______
  19. Prime numbers in {11, 21, 8, 12, 25, 7} → ______
  20. Prime numbers in {2, 12, 19, 25, 27, 13} → ______