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