prime and composite numbers

Front

What is a prime number?

Back

A prime number is a number that has exactly two distinct positive factors: 1 and itself.

Front

What is a composite number?

Back

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

Front

What are the only factors of a prime number?

Back

The only factors of a prime number are 1 and the number itself.

Front

What are common factors?

Back

Common factors are the factors that two or more whole numbers share.

Front

Can the number 1 be classified as a prime number? Why or why not?

Back

No, the number 1 is not classified as a prime number because it has only one factor, which is itself.

Front

What is the smallest prime number?

Back

The smallest prime number is 2.

Front

Is the number 2 a prime number?

Back

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

Front

What is the difference between prime and composite numbers?

Back

The difference is that prime numbers have exactly two factors, while composite numbers have more than two factors.

Front

List the first five prime numbers.

Back

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

Front

What is a factor?

Back

A factor is a whole number that can be divided evenly into another number.