# Is 4 a Prime Number?

Is 4 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 4 is a prime or composite is - * "4 is a composite number."* Now, let us find out how and why is 4 a prime number or a composite number?

**Is 4 a prime number? -**No**Is 4 a composite number? -**Yes**Factors of 4 -**1, 2, 4**Is 4 a perfect square? -**Yes**Prime Factors of 4 -**2

## Is 4 a Prime Number?

No, 4 is not a prime number. The number 4 is divisible by 1, 2, 4. For a number to be classified as a prime number, it should have exactly two factors. Since 4 has more than two factors, i.e. 1, 2, 4, it is not a prime number.

## Why is 4 not a Prime Number?

To understand whether 4 is prime or composite, it is important to find its factors.

**Factors of 4:** 1, 2, 4

Since 4 has more than 2 factors, we can say that 4 is not a prime number.

## Is 4 a Composite Number?

Yes, since 4 has more than two factors i.e. 1, 2, 4. In other words, 4 is a composite number because 4 has more than 2 factors.

**Problem Statements: **

Is 4 a Prime Number? | No |

Is 4 a Composite Number? | Yes |

Is 4 an Odd Number? | No |

Is 4 a Perfect Square? | Yes |

Multiples of 4 | 4, 8, 12, 16, 20, 24, 28, 32, 36, 40 |

Is 4 a Perfect Cube? | No |

Square of 4 | 16 |

Square Root of 4 | 2 |

Cube Root of 4 | 1.5874 |

Is 4 an Even Number? | Yes |

**Fun Facts: **

- 1 is neither prime nor composite.
- Numbers X and Y are said to be coprime if they have only one common factor that is 1.
- A perfect square (square number) is always a composite number.

**☛ Also Check: **

- Is 18 a Prime Number? - No
- Is 14 a Prime Number? - No
- Is 50 a Prime Number? - No
- Is 87 a Prime Number? - No
- Is 2021 a Prime Number? - No
- Is 349 a Prime Number? - Yes
- Is 407 a Prime Number? - No
- Is 419 a Prime Number? - Yes

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