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