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