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