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