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