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