prime and composite numbers

Front

What is a prime number?

Back

A prime number is a number that only has factors of one and itself.

Front

What is a composite number?

Back

A composite number is a number that has more than two factors.

Front

List the first five prime numbers.

Back

2, 3, 5, 7, 11

Front

List the first five composite numbers.

Back

4, 6, 8, 9, 10

Front

What is a factor?

Back

A factor is a number that is multiplied by another number to find a product.

Front

Is 1 a prime number?

Back

No, 1 is not a prime number because it only has one factor.

Front

Is 2 a prime number?

Back

Yes, 2 is a prime number because it has only two factors: 1 and 2.

Front

What makes a number a composite number?

Back

A composite number has more than two factors.

Front

Find the prime number: 12, 5, 6, 21.

Back

5 is the prime number.

Front

Find the composite number: 3, 5, 7, 8.

Back

8 is the composite number.