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