Prime Numbers

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.

Front

Is the number 5 prime or not prime?

Back

Prime

Front

True or False: A composite number is able to be divided by more than two numbers.

Back

True

Front

Why is 1 neither prime nor composite?

Back

It only has one factor.

Front

What are all prime numbers divisible by?

Back

1 and itself.

Front

Which of the following is a prime number: 72, 73, 74, 75?

Back

73

Front

What is the smallest prime number?

Back

2.

Front

List the first five prime numbers.

Back

2, 3, 5, 7, 11.

Front

What is a composite number?

Back

A composite number is a natural number greater than 1 that is not prime, meaning it has more than two positive divisors.

Front

Is 9 a prime number?

Back

Not Prime (it is composite).