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