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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, 17, 21, 15, 25, 8} → ______
  2. Prime numbers in {5, 15, 13, 29, 21, 11} → ______
  3. Prime numbers in {15, 7, 17, 11, 23, 13} → ______
  4. Prime numbers in {17, 29, 27, 21, 5, 9} → ______
  5. Prime numbers in {27, 12, 19, 23, 9, 11} → ______
  6. Prime numbers in {17, 11, 7, 27, 12, 8} → ______
  7. Prime numbers in {25, 12, 21, 9, 19, 17} → ______
  8. Prime numbers in {11, 23, 29, 12, 8, 19} → ______
  9. Prime numbers in {21, 13, 2, 19, 27, 17} → ______
  10. Prime numbers in {15, 17, 27, 23, 19, 8} → ______
  11. Prime numbers in {3, 25, 29, 13, 15, 7} → ______
  12. Prime numbers in {3, 9, 29, 8, 17, 25} → ______
  13. Prime numbers in {11, 9, 5, 17, 29, 15} → ______
  14. Prime numbers in {21, 27, 2, 19, 3, 8} → ______
  15. Prime numbers in {11, 2, 12, 25, 15, 21} → ______
  16. Prime numbers in {13, 21, 29, 27, 5, 17} → ______
  17. Prime numbers in {5, 8, 19, 23, 15, 13} → ______
  18. Prime numbers in {7, 8, 19, 27, 12, 23} → ______
  19. Prime numbers in {3, 5, 12, 25, 15, 11} → ______
  20. Prime numbers in {12, 11, 27, 19, 5, 23} → ______