NAME ______________________________ DATE _______________

HOMEWORK

More Prime or Composite

Determine whether each number is prime or composite. Explain how you know.

• 1 Is 36 prime or composite? How do you know?

• 2 Is 7 prime or composite? How do you know?

• 3 Is 21 prime or composite? How do you know?

• 4 Is 23 prime or composite? How do you know?

• 5 Is 70 prime or composite? How do you know?

NOTE

Students determine whether numbers are prime or composite.

MWI Prime and Composite Numbers

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