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