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