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