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