Prime et composite Feuille de travail

Recommandé pour 4e année — 6e année

Nouvelle feuille de travail

Prime et composite Feuille de travail

Nom: ____________________Date: ____________

Instructions: Identifier les nombres premiers et composés et rédiger des factorisations premières.

20 problèmes

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