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