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