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