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