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