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