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