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