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