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