# Is 209 a Prime Number?

Is 209 a prime number? If a number has only two factors, i.e. 1 and the number itself, it is known as a prime number. In contrast, composite numbers have more than two factors. By this explanation, can we answer the question - is 209 a prime number? According to the definition mentioned above, we can say * "No, 209 is not a prime number."* Now let us take a look at the detailed solution of why is 209 a prime number or a composite number?

**Is 209 a prime number? -**No**Is 209 a composite number? -**Yes**Factors of 209 -**1, 11, 19, 209**Prime Factors of 209 -**11, 19**Is 209 a perfect square? -**No

## Is 209 a Prime Number?

No, 209 is not a prime number. The number 209 is divisible by 1, 11, 19, 209. For a number to be classified as a prime number, it should have exactly two factors. Since 209 has more than two factors, i.e. 1, 11, 19, 209, it is not a prime number.

## Why is 209 not a Prime Number?

To understand whether 209 is composite or prime, it is important to find its factors.

**Factors of 209:** 1, 11, 19, 209

Since 209 has more than 2 factors, we can say that 209 is not a prime number.

## Is 209 a Composite Number?

Yes, since 209 has more than two factors i.e. 1, 11, 19, 209. In other words, 209 is a composite number because 209 has more than 2 factors.

**Problem Statements: **

Is 209 a Prime Number? | No |

Is 209 a Composite Number? | Yes |

Is 209 an Odd Number? | Yes |

Square of 209 | 43681 |

Multiples of 209 | 209, 418, 627, 836, 1045, 1254, 1463, 1672, 1881, 2090 |

Is 209 an Even Number? | No |

Is 209 a Perfect Cube? | No |

Square Root of 209 | 14.456832 |

Is 209 a Perfect Square? | No |

Cube Root of 209 | 5.934462 |

**Fun Facts: **

- A perfect square (square number) is always a composite number.
- Numbers X and Y are said to be coprime if they have only one common factor that is 1.
- Prime numbers greater than 5 can be represented in the form of either 6n + 1 or 6n - 1. Example - 71 is a prime number and it can be written as 71 = 6 × 12 - 1

**☛ Also Check: **

- Is 54 a Prime Number? - No
- Is 65 a Prime Number? - No
- Is 12 a Prime Number? - No
- Is 2021 a Prime Number? - No
- Is 49 a Prime Number? - No
- Is 92 a Prime Number? - No
- Is 361 a Prime Number? - No
- Is 465 a Prime Number? - No

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