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

Is 1 a prime number?

Back

No, 1 is not 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

What are all prime numbers divisible by?

Back

Prime numbers are divisible by 1 and itself.

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CCSS.4.OA.B.4

Front

Is 9 a prime number?

Back

No, 9 is not a prime number because it can be divided by 1, 3, and 9.

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CCSS.4.OA.B.4

Front

Is 12 a prime or composite number?

Back

12 is a composite number because it has divisors other than 1 and itself.

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CCSS.4.OA.B.4

Front

Which of the following is NOT a prime number: 2, 3, 4, 5?

Back

4 is NOT a prime number.

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CCSS.4.OA.B.4

Front

What is the definition of 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.

Tags

CCSS.4.OA.B.4

Front

Can a prime number be even?

Back

Yes, the only even prime number is 2.

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CCSS.4.OA.B.4