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