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