# Is 279 a Prime Number?

Is 279 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 279 is a prime or composite is - * "279 is a composite number."* Now, let us find out how and why is 279 a prime number or a composite number?

**Is 279 a prime number? -**No**Is 279 a composite number? -**Yes**Factors of 279 -**1, 3, 9, 31, 93, 279**Prime Factors of 279 -**3, 31**Is 279 a perfect square? -**No

## Is 279 a Prime Number?

No, 279 is not a prime number. The number 279 is divisible by 1, 3, 9, 31, 93, 279. For a number to be classified as a prime number, it should have exactly two factors. Since 279 has more than two factors, i.e. 1, 3, 9, 31, 93, 279, it is not a prime number.

## Why is 279 not a Prime Number?

To understand whether 279 is prime or composite, it is important to find its factors.

**Factors of 279:** 1, 3, 9, 31, 93, 279

Since 279 has more than 2 factors, we can say that 279 is not a prime number.

## Is 279 a Composite Number?

Yes, since 279 has more than two factors i.e. 1, 3, 9, 31, 93, 279. In other words, 279 is a composite number because 279 has more than 2 factors.

**Problem Statements: **

Is 279 a Prime Number? | No |

Is 279 a Composite Number? | Yes |

Is 279 a Perfect Cube? | No |

Square Root of 279 | 16.703293 |

Multiples of 279 | 279, 558, 837, 1116, 1395, 1674, 1953, 2232, 2511, 2790 |

Is 279 an Odd Number? | Yes |

Is 279 an Even Number? | No |

Is 279 a Perfect Square? | No |

Square of 279 | 77841 |

Cube Root of 279 | 6.534323 |

**Fun Facts: **

- 2 is the smallest prime number.
- Numbers X and Y are said to be coprime if they have only one common factor that is 1.
- 1 is neither prime nor composite.

**☛ Also Check: **

- Is 131 a Prime Number? - Yes
- Is 109 a Prime Number? - Yes
- Is 1 a Prime Number? - No
- Is 117 a Prime Number? - No
- Is 69 a Prime Number? - No
- Is 239 a Prime Number? - Yes
- Is 319 a Prime Number? - No
- Is 531 a Prime Number? - No

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