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