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