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