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