Prime or Composite Numbers

Front

What is a prime number?

Back

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

Tags

CCSS.4.OA.B.4

Front

What is a composite number?

Back

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

Tags

CCSS.4.OA.B.4

Front

Is 1 a prime number?

Back

No, 1 is not a prime number.

Tags

CCSS.4.OA.B.4

Front

What is the smallest prime number?

Back

The smallest prime number is 2.

Tags

CCSS.4.OA.B.4

Front

List three prime numbers.

Back

2, 3, 5.

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CCSS.4.OA.B.4

Front

List three composite numbers.

Back

4, 6, 8.

Tags

CCSS.4.OA.B.4

Front

What is the difference between prime and composite numbers?

Back

Prime numbers have exactly two factors (1 and itself), while composite numbers have more than two factors.

Tags

CCSS.4.OA.B.4

Front

Is 15 a prime or composite number?

Back

Composite.

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CCSS.4.OA.B.4

Front

Is 23 a prime or composite number?

Back

Prime.

Tags

CCSS.4.OA.B.4

Front

What is a factor?

Back

A factor is a number that divides another number without leaving a remainder.

Tags

CCSS.4.OA.B.4