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Prime et composite Feuille de travail

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