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