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