Prime and Composite

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

List the first five prime numbers.

Back

2, 3, 5, 7, 11.

Tags

CCSS.4.OA.B.4

Front

List the first five composite numbers.

Back

4, 6, 8, 9, 10.

Tags

CCSS.4.OA.B.4

Front

What is the definition of a factor?

Back

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

Tags

CCSS.4.OA.B.4

Front

How many factors does a prime number have?

Back

A prime number has exactly two factors: 1 and itself.

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 the smallest prime number?

Back

The smallest prime number is 2.

Tags

CCSS.4.OA.B.4

Front

What is the largest two-digit prime number?

Back

The largest two-digit prime number is 97.

Tags

CCSS.4.OA.B.4

Front

What is the relationship between prime and composite numbers?

Back

Every natural number greater than 1 is either a prime number or a composite number.

Tags

CCSS.4.OA.B.4