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