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