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Grade 4 Prime & Composite Worksheet (Set D)

Free printable Grade 4 prime & composite worksheet with an answer key, prime and composite numbers. Print as a PDF for the classroom or home.

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Grade 4 · Math worksheet
Name
Date
Math

Prime or Composite

Write whether each number is prime or composite.

  1. 1.
    Is 54 prime or composite?
  2. 2.
    Is 30 prime or composite?
  3. 3.
    Is 34 prime or composite?
  4. 4.
    Is 17 prime or composite?
  5. 5.
    Is 30 prime or composite?
  6. 6.
    Is 47 prime or composite?
  7. 7.
    Is 3 prime or composite?
  8. 8.
    Is 7 prime or composite?
  9. 9.
    Is 36 prime or composite?
  10. 10.
    Is 60 prime or composite?
  11. 11.
    Is 45 prime or composite?
  12. 12.
    Is 18 prime or composite?
  13. 13.
    Is 40 prime or composite?
  14. 14.
    Is 7 prime or composite?
  15. 15.
    Is 33 prime or composite?
  16. 16.
    Is 53 prime or composite?
  17. 17.
    Is 57 prime or composite?
  18. 18.
    Is 29 prime or composite?
  19. 19.
    Is 12 prime or composite?
  20. 20.
    Is 12 prime or composite?
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