# Is 27 a Prime Number?

Is 27 a prime number? * "No, 27 is not a prime number."* A number can be classified as prime or composite depending on the factors it contains; it could either have only 2 factors or more than 2 factors. Numbers like 1069 with only 2 factors, i.e. 1 and 1069 are called prime numbers. However, numbers like 146 with more than 2 factors are called composite numbers. Let us find out how and why is 27 a prime number or a composite number?

**Is 27 a prime number? -**No**Is 27 a composite number? -**Yes**Prime Factors of 27 -**3**Is 27 a perfect square? -**No**Factors of 27 -**1, 3, 9, 27

## Is 27 a Prime Number?

No, 27 is not a prime number. The number 27 is divisible by 1, 3, 9, 27. For a number to be classified as a prime number, it should have exactly two factors. Since 27 has more than two factors, i.e. 1, 3, 9, 27, it is not a prime number.

## Why is 27 not a Prime Number?

To understand whether 27 is prime or composite, it is important to find its factors.

**Factors of 27:** 1, 3, 9, 27

Since 27 has more than 2 factors, we can say that 27 is not a prime number.

## Is 27 a Composite Number?

Yes, since 27 has more than two factors i.e. 1, 3, 9, 27. In other words, 27 is a composite number because 27 has more than 2 factors.

**Problem Statements: **

Is 27 a Prime Number? | No |

Is 27 a Composite Number? | Yes |

Cube Root of 27 | 9 |

Is 27 an Odd Number? | Yes |

Is 27 a Perfect Square? | No |

Is 27 a Perfect Cube? | Yes |

Multiples of 27 | 27, 54, 81, 108, 135, 162, 189, 216, 243, 270 |

Is 27 an Even Number? | No |

Square of 27 | 729 |

Square Root of 27 | 5.196152 |

**Fun Facts: **

- A palindrome prime is a prime number that when read in reverse order results in the same number. Examples - 10601, 11311, 12421
- 5 is the only prime number having the last digit as 5.
- 1 is neither prime nor composite.

**☛ Also Check: **

- Is 131 a Prime Number? - Yes
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- Is 57 a Prime Number? - No
- Is 47 a Prime Number? - Yes
- Is 277 a Prime Number? - Yes
- Is 441 a Prime Number? - No
- Is 357 a Prime Number? - No