prime and composite numbers

Front

What is a prime number?

Back

A prime number is a number that has only two factors: 1 and itself.

Front

What is a composite number?

Back

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

Front

Which is the only even prime number?

Back

2 is the only even prime number.

Front

Is 1 a prime number?

Back

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

Front

List the first 5 prime numbers.

Back

2, 3, 5, 7, 11.

Front

What are factors?

Back

Factors are numbers that can be multiplied together to get another number.

Front

How can you determine if a number is prime?

Back

A number is prime if it cannot be divided evenly by any other numbers except for 1 and itself.

Front

What is the smallest prime number?

Back

The smallest prime number is 2.

Front

What is the largest two-digit prime number?

Back

The largest two-digit prime number is 97.

Front

What is a multiple?

Back

A multiple of a number is the product of that number and an integer.