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4th Grade
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Prime or Composite?
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Sheet 19
Prime or Composite? — Worksheet 19
Name:
Date:
Prime or Composite?
A prime number has exactly two factors: 1 and itself. Circle the right word.
5
prime
composite
21
prime
composite
28
prime
composite
46
prime
composite
60
prime
composite
40
prime
composite
33
prime
composite
50
prime
composite
8
prime
composite
30
prime
composite
36
prime
composite
25
prime
composite
7
prime
composite
31
prime
composite
44
prime
composite
51
prime
composite
fun
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4th Grade · Sheet #19