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