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