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