# Is 361 a Prime Number?

Is 361 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 361 a prime number? According to the definition mentioned above, we can say * "No, 361 is not a prime number."* Now let us take a look at the detailed solution of why is 361 a prime number or a composite number?

**Is 361 a prime number? -**No**Is 361 a composite number? -**Yes**Prime Factors of 361 -**19**Factors of 361 -**1, 19, 361**Is 361 a perfect square? -**Yes

## Is 361 a Prime Number?

No, 361 is not a prime number. The number 361 is divisible by 1, 19, 361. For a number to be classified as a prime number, it should have exactly two factors. Since 361 has more than two factors, i.e. 1, 19, 361, it is not a prime number.

## Why is 361 not a Prime Number?

To understand whether 361 is prime or composite, it is important to find its factors.

**Factors of 361:** 1, 19, 361

Since 361 has more than 2 factors, we can say that 361 is not a prime number.

## Is 361 a Composite Number?

Yes, since 361 has more than two factors i.e. 1, 19, 361. In other words, 361 is a composite number because 361 has more than 2 factors.

**Problem Statements: **

Is 361 a Prime Number? | No |

Is 361 a Composite Number? | Yes |

Is 361 a Perfect Square? | Yes |

Is 361 a Perfect Cube? | No |

Cube Root of 361 | 7.120353 |

Is 361 an Odd Number? | Yes |

Is 361 an Even Number? | No |

Multiples of 361 | 361, 722, 1083, 1444, 1805, 2166, 2527, 2888, 3249, 3610 |

Square of 361 | 130321 |

Square Root of 361 | 19 |

**Fun Facts: **

- A semiprime number is a composite number that is the product of exactly two prime numbers. Example - 115 is semiprime, since 115 can be written as 5 × 23.
- 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
- 5 is the only prime number having the last digit as 5.

**☛ Also Check: **

- Is 23 a Prime Number? - Yes
- Is 15 a Prime Number? - No
- Is 71 a Prime Number? - Yes
- Is 41 a Prime Number? - Yes
- Is 11 a Prime Number? - Yes
- Is 151 a Prime Number? - Yes
- Is 189 a Prime Number? - No
- Is 701 a Prime Number? - Yes

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