Prime Number

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 1 a prime number?

Back

No, 1 is not a prime number.

Front

Is 2 a prime number?

Back

Yes, 2 is the only even prime number.

Front

What are the first five prime numbers?

Back

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

Front

Which number is prime: 4 or 5?

Back

5 is prime; 4 is not.

Front

Which number is prime: 6 or 7?

Back

7 is prime; 6 is not.

Front

Which number is prime: 10 or 11?

Back

11 is prime; 10 is not.

Front

What is the smallest prime number?

Back

The smallest prime number is 2.

Front

Can a prime number be even?

Back

Yes, the only even prime number is 2.

Front

Which number is prime: 12 or 13?

Back

13 is prime; 12 is not.