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Primo e composito Worksheet

Recommended for 4° grado — 6° grado

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Primo e composito Worksheet

Nome: ____________________Date: ____________

Instructions: Identificazione dei numeri primi e compositi e scrittura delle fattorizzazioni prime.

20 problems

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