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