# Is 189 a Prime Number?

Is 189 a prime number? A prime number is divisible only by 1 and itself, which means it has no other divisor except 1 and the number itself. On the contrary, composite numbers have more than two factors. To determine if 189 is a prime number or composite, we need to divide it with numbers from 1 to 189. To find out the answer to this question * "is 189 is a prime number"* and to gain a detailed understanding of

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**"how and why is 189 a prime number or a composite number?"****Is 189 a prime number? -**No**Is 189 a composite number? -**Yes**Is 189 a perfect square? -**No**Factors of 189 -**1, 3, 7, 9, 21, 27, 63, 189**Prime Factors of 189 -**3, 7

## Is 189 a Prime Number?

No, 189 is not a prime number. The number 189 is divisible by 1, 3, 7, 9, 21, 27, 63, 189. For a number to be classified as a prime number, it should have exactly two factors. Since 189 has more than two factors, i.e. 1, 3, 7, 9, 21, 27, 63, 189, it is not a prime number.

## Why is 189 not a Prime Number?

To understand whether 189 is composite or prime, it is important to find its factors.

**Factors of 189:** 1, 3, 7, 9, 21, 27, 63, 189

Since 189 has more than 2 factors, we can say that 189 is not a prime number.

## Is 189 a Composite Number?

Yes, since 189 has more than two factors i.e. 1, 3, 7, 9, 21, 27, 63, 189. In other words, 189 is a composite number because 189 has more than 2 factors.

**Problem Statements: **

Is 189 a Prime Number? | No |

Is 189 a Composite Number? | Yes |

Is 189 an Even Number? | No |

Cube Root of 189 | 5.738784 |

Is 189 an Odd Number? | Yes |

Multiples of 189 | 189, 378, 567, 756, 945, 1134, 1323, 1512, 1701, 1890 |

Square of 189 | 35721 |

Square Root of 189 | 13.747727 |

Is 189 a Perfect Cube? | No |

Is 189 a Perfect Square? | No |

**Fun Facts: **

- 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
- 1 is neither prime nor composite.
- All primes except 2 are odd.

**☛ Also Check: **

- Is 64 a Prime Number? - No
- Is 81 a Prime Number? - No
- Is 119 a Prime Number? - No
- Is 107 a Prime Number? - Yes
- Is 50 a Prime Number? - No
- Is 141 a Prime Number? - No
- Is 94 a Prime Number? - No
- Is 863 a Prime Number? - Yes

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