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