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