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