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