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