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