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