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