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