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