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