Prime or Composite 1‐20 Worksheet
Is 20 prime or composite?
Is 8 prime or composite?
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Is 7 prime or composite?
Is 10 prime or composite?
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Is 9 prime or composite?
Is 19 prime or composite?
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Is 5 prime or composite?
Is 3 prime or composite?
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Is 2 prime or composite?
Is 18 prime or composite?
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Is 16 prime or composite?
Is 17 prime or composite?
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Is 1 prime or composite?
Is 4 prime or composite?
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Is 6 prime or composite?
Is 13 prime or composite?
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Is 14 prime or composite?
Is 15 prime or composite?
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Is 11 prime or composite?
Is 12 prime or composite?
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Provided by Prime‐Numbers.net