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