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