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