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