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