Prime Numbers

Front

What is a prime number?

Back

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

Front

List the first five prime numbers.

Back

2, 3, 5, 7, 11

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CCSS.4.OA.B.4

Front

What are all prime numbers divisible by?

Back

1 and itself.

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CCSS.4.OA.B.4

Front

Is 1 a prime number?

Back

No, 1 is not considered a prime number.

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CCSS.4.OA.B.4

Front

What is the smallest prime number?

Back

The smallest prime number is 2.

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CCSS.4.OA.B.4

Front

Is 2 a prime number?

Back

Yes, 2 is a prime number.

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CCSS.4.OA.B.4

Front

What is a composite number?

Back

A composite number is a natural number greater than 1 that is not prime, meaning it has more than two positive divisors.

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CCSS.4.OA.B.4

Front

Is 35 prime or composite?

Back

Composite.

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CCSS.4.OA.B.4

Front

Choose a prime number from the list: 7, 8, 9, 10.

Back

7.

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CCSS.4.OA.B.4

Front

Is 9 prime or not prime?

Back

Not Prime.

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