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