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 {3, 2, 9, 21, 15, 17} → ______
  2. Prime numbers in {11, 25, 8, 7, 19, 12} → ______
  3. Prime numbers in {9, 17, 11, 13, 2, 3} → ______
  4. Prime numbers in {2, 8, 15, 25, 5, 3} → ______
  5. Prime numbers in {12, 2, 23, 9, 15, 11} → ______
  6. Prime numbers in {29, 15, 19, 17, 3, 21} → ______
  7. Prime numbers in {9, 25, 27, 12, 3, 21} → ______
  8. Prime numbers in {19, 25, 12, 3, 8, 29} → ______
  9. Prime numbers in {17, 5, 25, 19, 12, 13} → ______
  10. Prime numbers in {9, 2, 3, 12, 13, 17} → ______
  11. Prime numbers in {13, 19, 9, 3, 5, 25} → ______
  12. Prime numbers in {5, 11, 27, 7, 12, 13} → ______
  13. Prime numbers in {23, 29, 15, 3, 2, 12} → ______
  14. Prime numbers in {19, 7, 12, 25, 23, 5} → ______
  15. Prime numbers in {21, 19, 3, 29, 2, 12} → ______
  16. Prime numbers in {21, 25, 2, 9, 8, 3} → ______
  17. Prime numbers in {9, 11, 23, 7, 8, 3} → ______
  18. Prime numbers in {29, 15, 3, 5, 27, 21} → ______
  19. Prime numbers in {12, 19, 27, 23, 21, 29} → ______
  20. Prime numbers in {19, 17, 13, 9, 29, 2} → ______
Primo e composito Worksheet — Free Printable with Answer Key | WaffleMath