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