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