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