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