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