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