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