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4th Grade
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Prime or Composite?
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Sheet 18
Prime or Composite? — Worksheet 18
Name:
Date:
Prime or Composite?
A prime number has exactly two factors: 1 and itself. Circle the right word.
25
prime
composite
37
prime
composite
33
prime
composite
13
prime
composite
49
prime
composite
44
prime
composite
14
prime
composite
10
prime
composite
34
prime
composite
31
prime
composite
29
prime
composite
39
prime
composite
7
prime
composite
57
prime
composite
42
prime
composite
53
prime
composite
fun
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4th Grade · Sheet #18