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