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