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