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4th Grade
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Prime or Composite?
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Sheet 2
Prime or Composite? — Worksheet 2
Name:
Date:
Prime or Composite?
A prime number has exactly two factors: 1 and itself. Circle the right word.
45
prime
composite
21
prime
composite
18
prime
composite
33
prime
composite
53
prime
composite
39
prime
composite
31
prime
composite
23
prime
composite
48
prime
composite
8
prime
composite
13
prime
composite
27
prime
composite
51
prime
composite
36
prime
composite
10
prime
composite
41
prime
composite
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4th Grade · Sheet #2