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