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