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