# Is 1331 a Prime Number?

Is 1331 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 1331 a prime number? According to the definition mentioned above, we can say * "No, 1331 is not a prime number."* Now let us take a look at the detailed solution of why is 1331 a prime number or a composite number?

**Is 1331 a prime number? -**No**Is 1331 a composite number? -**Yes**Prime Factors of 1331 -**11**Is 1331 a perfect square? -**No**Factors of 1331 -**1, 11, 121, 1331

## Is 1331 a Prime Number?

No, 1331 is not a prime number. The number 1331 is divisible by 1, 11, 121, 1331. For a number to be classified as a prime number, it should have exactly two factors. Since 1331 has more than two factors, i.e. 1, 11, 121, 1331, it is not a prime number.

## Why is 1331 not a Prime Number?

To understand whether 1331 is prime or composite, it is important to find its factors.

**Factors of 1331:** 1, 11, 121, 1331

Since 1331 has more than 2 factors, we can say that 1331 is not a prime number.

## Is 1331 a Composite Number?

Yes, since 1331 has more than two factors i.e. 1, 11, 121, 1331. In other words, 1331 is a composite number because 1331 has more than 2 factors.

**Problem Statements: **

Is 1331 a Prime Number? | No |

Is 1331 a Composite Number? | Yes |

Square of 1331 | 1771561 |

Is 1331 an Odd Number? | Yes |

Square Root of 1331 | 36.482873 |

Is 1331 a Perfect Cube? | Yes |

Is 1331 an Even Number? | No |

Cube Root of 1331 | 444 |

Is 1331 a Perfect Square? | No |

Multiples of 1331 | 1331, 2662, 3993, 5324, 6655, 7986, 9317, 10648, 11979, 13310 |

**Fun Facts: **

- 23 is the smallest prime number having consecutive digits.
- Numbers X and Y are said to be coprime if they have only one common factor that is 1.
- A perfect square (square number) is always a composite number.

**☛ Also Check: **

- Is 18 a Prime Number? - No
- Is 101 a Prime Number? - Yes
- Is 13 a Prime Number? - Yes
- Is 48 a Prime Number? - No
- Is 47 a Prime Number? - Yes
- Is 193 a Prime Number? - Yes
- Is 231 a Prime Number? - No
- Is 523 a Prime Number? - Yes

visual curriculum