PRIME AND COMPOSITE NUMBERS

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What is a prime number?

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A prime number is a natural number greater than 1 that has no positive divisors other than 1 and itself.

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CCSS.4.OA.B.4

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What is a composite number?

Back

A composite number is a natural number greater than 1 that has more than two positive divisors.

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CCSS.4.OA.B.4

Front

Is 41 a prime or composite number?

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41 is a prime number.

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CCSS.4.OA.B.4

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Is 35 a prime or composite number?

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35 is a composite number.

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CCSS.4.OA.B.4

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Is 86 a prime or composite number?

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86 is a composite number.

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CCSS.4.OA.B.4

Front

Is 29 a prime or composite number?

Back

29 is a prime number.

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CCSS.4.OA.B.4

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Is 33 a prime or composite number?

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33 is a composite number.

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CCSS.4.OA.B.4

Front

What is the smallest prime number?

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The smallest prime number is 2.

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CCSS.4.OA.B.4

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What is the smallest composite number?

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The smallest composite number is 4.

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CCSS.4.OA.B.4

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Can a prime number be even?

Back

Yes, the only even prime number is 2.

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CCSS.4.OA.B.4