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