## Is 31 Prime Number or Composite Number

## Is 31 a Prime Number?

## Yes – 31 is a prime number.

**Why Yes:** 31 is a prime number because it fulfils the prime criteria of having exactly two distinct positive divisors: 1 and itself (31). See any number if it’s prime number or not

## Is 31 a Composite Number?

NO – 31 is not a Composite Number

**Why No:** This is correct; 31 is not a composite number because it does not have more than two distinct positive divisors. It only has two: 1 and itself (31).

## Problem Statements

Property |
Answer |
---|---|

Is 31 a prime number? | Yes |

Is 31 a composite number? | No |

Is 31 a perfect square? | No |

Factors of 31 | 1, 31 |

Multiples of 31 | 31, 62, 93, 124, 155, 186, 217, 248, 279, 310 |

Cube Root of 31 | 3.14 |

Square of 31 | 961 |

Square Root of 31 | 5.57 |

Is 31 a Perfect Square? | No |

Is 31 a Perfect Cube? | No |

Is 31 an Irrational number? | No |

Is 31 a Rational number? | Yes |

Is 31 a Real number? | Yes |

Is 31 an Integer? | Yes |

Is 31 a Natural number? | Yes |

Is 31 a Whole number? | Yes |

Is 31 an Even or odd number? | No (31 is an odd number) |

Is 31 an Ordinal number? | Yes |

Is 31 a Complex number? | Yes (as all real numbers are also complex numbers) |

## What are the factors of 31?

The factors of 31 are 1 and 31. Since 31 is a prime number, its only factors are 1 and itself. There are no more factors of 31.

## What Kind of Number is 31?

- The factors of 31 are 1 and 31.
- 31 is a prime number.
- 31 is one of the odd prime numbers and is an odd number.
- 31 is considered a significant number in various contexts.
- 31 is a natural number.
- 31 is a positive integer.
- 31 is not a composite number.
- 31 is an odd number.
- 31 is a rational number.
- 31 is a whole number.

31 is recognized as a prime number because it has exactly two divisors: 1 and itself, distinguishing it from composite numbers that have more than two divisors. The number 31 holds a unique place in mathematics and various cultural contexts, often associated with its indivisibility and purity.

## FAQS

**What is 31 as a number?**

31 is a prime number, indivisible by any number other than 1 and itself, making it unique among integers for its distinct prime property.

**Is 31 an Integer?**

Yes, 31 is an integer. It’s a whole number that is not a fraction or decimal, fitting perfectly within the set of integers which includes all whole numbers and their negatives.