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.

Tags

CCSS.4.OA.B.4

Front

What is a composite number?

Back

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

Tags

CCSS.4.OA.B.4

Front

Is the number 1 considered a prime or composite number?

Back

Neither; 1 is not considered a prime or composite number.

Tags

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 is the smallest composite number?

Back

The smallest composite number is 4.

Tags

CCSS.4.OA.B.4

Front

How can you determine if a number is prime?

Back

To determine if a number is prime, check if it has any divisors other than 1 and itself.

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

Front

List three prime numbers between 1 and 20.

Back

2, 3, 5, 7, 11, 13, 17, 19.

Tags

CCSS.4.OA.B.4

Front

List three composite numbers between 1 and 20.

Back

4, 6, 8, 9, 10, 12, 14, 15, 16, 18, 20.

Tags

CCSS.4.OA.B.4

Front

True or False: All even numbers are composite.

Back

False; the number 2 is an even prime number.

Tags

CCSS.4.OA.B.4