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