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