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