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