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