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