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