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