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