WaffleMath LogoWaffleMath
K12345678HSBrowse standardsBrowse worksheetsTeacher resources

Primo e composito Worksheet

Recommended for 4° grado — 6° grado

Altri giochi Primo e compositoAll Worksheets
New Worksheet

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