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