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