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