Is 2 a Prime Number?

Is number 2 a prime number or not? Since the number two is an even number, many believe that 2 is not a prime number. But, 2 is a very special number!


So, 2 is a Prime Number or Not?

Yes, 2 is a prime number. According to the definition of prime numbers, any whole number which has only 2 factors is known as a prime number. Now, the factors of 2 are 1 and 2. Since there are exactly two factors of 2, it is a prime number.

Lesson Highlights:

Is 2 a prime number?

Yes, 2 is a prime number.

Can 2 be considered a composite number?

No, 2 is not a composite number as it has exactly two factors.

What are the factors of 2?

Factors of 2 are 1 and 2.

What is the smallest prime number?

2 is the smallest prime number.

Which number is the only even prime number?

The number two is the only even prime number.

The Smallest and The Only Even Prime Number!

It is interesting to note that the number 2 is the smallest integer that satisfies the condition of prime numbers. Another interesting thing to note about the number 2 is that it is the only prime number which is an even number. This is because all the even numbers are divisible by 2.

Try it Yourself: Prime Numbers Calculator

Is 2 a Composite Number?

For a number to be a composite number, it should have more than 2 factors. But, the number 2 has only two factors i.e. 1 and 2. Hence, 2 is not considered as a composite number.

So, What Kind of Number is 2?

Below are some of the categories in which number 2 falls:

  • A natural number
  • A positive integer
  • A prime number
  • An even number
  • A rational number
  • A whole number


  • 2 is the smallest prime number
  • 2 is the only even prime number
  • 2 is the smallest even number

Check: How to Find Prime Numbers

Similar Questions:

  1. Is 1 a Prime Number?
  2. Is 91 a Prime Number?
  3. Is 101 a Prime Number?

Keep visiting BYJU’S and get more such maths lessons. Also, download BYJU’S- The Learning App and register to access several engaging maths video lessons and learn the concepts in a more effective and personalized way.

Leave a Comment

Your email address will not be published. Required fields are marked *