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