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