3rd Grade Prime vs Composite

Front

What is a prime number?

Back

A prime number is a number greater than 1 that has exactly two factors: 1 and itself.

Front

What is a composite number?

Back

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

Front

Is 2 a prime number?

Back

Yes, 2 is a prime number because its only factors are 1 and 2.

Front

Is 1 a prime number?

Back

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

Front

What are the first five prime numbers?

Back

The first five prime numbers are 2, 3, 5, 7, and 11.

Front

What are the first five composite numbers?

Back

The first five composite numbers are 4, 6, 8, 9, and 10.

Front

Is 14 a prime number?

Back

No, 14 is a composite number because it has factors 1, 2, 7, and 14.

Front

Is 29 a prime number?

Back

Yes, 29 is a prime number because its only factors are 1 and 29.

Front

What makes a number composite?

Back

A number is composite if it has more than two factors.

Front

Is 50 a prime number?

Back

No, 50 is a composite number because it has factors 1, 2, 5, 10, 25, and 50.