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