# Is 2 a Prime Number?

Is 2 a prime number? Numbers having only 2 factors, i.e. 1 and the number itself are known as prime numbers whereas numbers with more than 2 factors are known as composite. The answer to the question whether 2 is a prime or composite is - * "2 is a prime number."* Now, let us find out how and why is 2 a prime number or a composite number?

**Is 2 a prime number? -**Yes**Is 2 a composite number? -**No**Is 2 a perfect square? -**No**Prime Factors of 2 -**2**Factors of 2 -**1, 2

## Is 2 a Prime Number?

Yes, 2 is a prime number. The number 2 is divisible only by 1 and the number itself. For a number to be classified as a prime number, it should have exactly two factors. Since 2 has exactly two factors, i.e. 1 and 2, it is a prime number.

## How is 2 a Prime Number?

To understand whether 2 is prime or composite, it is important to find its factors.

**Factors of 2:** 1, 2

Therefore, we can say that 2 is a prime number since it has only 2 factors.

## Is 2 a Composite Number?

No, since 2 has only two factors, i.e. 1 and 2. In other words, 2 is not a composite number because 2 doesn’t have more than 2 factors.

**Problem Statements: **

Is 2 a Prime Number? | Yes |

Is 2 a Composite Number? | No |

Multiples of 2 | 2, 4, 6, 8, 10, 12, 14, 16, 18, 20 |

Is 2 an Even Number? | Yes |

Is 2 an Odd Number? | No |

Cube Root of 2 | 1.259921 |

Square Root of 2 | 1.414214 |

Is 2 a Perfect Cube? | No |

Is 2 a Perfect Square? | No |

**Fun Facts: **

- 1 is neither prime nor composite.
- Prime numbers greater than 5 can be represented in the form of either 6n + 1 or 6n - 1. Example - 149 is a prime number and it can be written as 149 = 6 × 25 - 1
- Numbers X and Y are said to be coprime if they have only one common factor that is 1.

**☛ Also Check: **

- Is 133 a Prime Number? - No
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- Is 321 a Prime Number? - No
- Is 239 a Prime Number? - Yes
- Is 3721 a Prime Number? - No