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