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