# Is 187 a Prime Number?

Is 187 a prime number? How do you know that 187 is prime or composite? Let us first understand what makes a number 'prime'. If a number has only 2 factors (1 and the number itself), then it is a prime number. If the number has more than 2 factors, then it is composite. Now, what do you think of 187? Is 187 a prime number? * "No, 187 is not a prime number."* Since 187 has more than 2 factors i.e. 1, 11, 17, 187, it is a composite number. Let's study this in detail.

**Is 187 a prime number? -**No**Is 187 a composite number? -**Yes**Prime Factors of 187 -**11, 17**Factors of 187 -**1, 11, 17, 187**Is 187 a perfect square? -**No

## Is 187 a Prime Number?

No, 187 is not a prime number. The number 187 is divisible by 1, 11, 17, 187. For a number to be classified as a prime number, it should have exactly two factors. Since 187 has more than two factors, i.e. 1, 11, 17, 187, it is not a prime number.

## Why is 187 not a Prime Number?

To understand whether 187 is prime or composite, it is important to find its factors.

**Factors of 187:** 1, 11, 17, 187

Since 187 has more than 2 factors, we can say that 187 is not a prime number.

## Is 187 a Composite Number?

Yes, since 187 has more than two factors i.e. 1, 11, 17, 187. In other words, 187 is a composite number because 187 has more than 2 factors.

**Problem Statements: **

Is 187 a Prime Number? | No |

Is 187 a Composite Number? | Yes |

Is 187 an Odd Number? | Yes |

Is 187 a Perfect Square? | No |

Square Root of 187 | 13.674794 |

Is 187 an Even Number? | No |

Is 187 a Perfect Cube? | No |

Square of 187 | 34969 |

Multiples of 187 | 187, 374, 561, 748, 935, 1122, 1309, 1496, 1683, 1870 |

Cube Root of 187 | 5.718469 |

**Fun Facts: **

- Numbers X and Y are said to be coprime if they have only one common factor that is 1.
- Euler discovered a polynomial n
^{2}+ n + 41 that produces prime numbers for values of n that lie between 0 and 39 inclusive. It can generate 40 prime numbers for 0 <= n <= 39. - 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 48 a Prime Number? - No
- Is 54 a Prime Number? - No
- Is 34 a Prime Number? - No
- Is 53 a Prime Number? - Yes
- Is 91 a Prime Number? - No
- Is 86 a Prime Number? - No
- Is 331 a Prime Number? - Yes
- Is 195 a Prime Number? - No

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