Practice Standard Tests Common Core - Math Practice 101

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Prime and Composite Numbers

Prime and Composite Numbers

Tell whether the number is prime or composite

Problem Solving

  • Question 13 (contact us)

    Kai wrote the number 85 on the board. Is 85 prime or composite?

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  • Question 14 (contact us)

    Lisa says that 43 is a 2-digit odd number that is composite. Is she correct?

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