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