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