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