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