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