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