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