## Is 80 Prime Number or Composite Number

## Is 80 a Prime Number?

### No – 80 is not a Prime Number.

**Why No:** 80 is not a prime number because it does not meet the prime criteria of having exactly two distinct positive divisors: 1 and itself. Check if any number is prime or not

## Is 80 a Composite Number?

### Yes – 80 is a Composite Number.

**Why Yes:** 80 is a composite number because it has more than two distinct positive divisors. It is divisible by 1, 2, 4, 5, 8, 10, 16, 20, 40, and itself (80).

## Problem Statements

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

Is 80 a prime number? | No |

Is 80 a composite number? | Yes |

Is 80 a perfect square? | No |

Factors of 80 | 1, 2, 4, 5, 8, 10, 16, 20, 40, 80 |

Multiples of 80 | 80, 160, 240, 320, 400, 480, 560, 640, 720, 800 |

Cube Root of 80 | Approximately 4.34 |

Square of 80 | 6400 |

Square Root of 80 | Approximately 8.944 |

Is 80 a Perfect Cube? | No |

Is 80 an Irrational number | No |

Is 80 a Rational number | Yes |

Is 80 a Real number | Yes |

Is 80 an Integer | Yes |

Is 80 a Natural number | Yes |

Is 80 a Whole number | Yes |

Is 80 an Even or odd number | Yes (80 is an even number) |

Is 80 an Ordinal number | Yes |

Is 80 a Complex number | Yes (as all real numbers are also complex numbers) |

## What are the Factors of 80?

The factors of 80 are 1, 2, 4, 5, 8, 10, 16, 20, 40, and 80. Unlike a prime number, which is only divisible by 1 and itself, 80 is divisible by multiple numbers, demonstrating it has more than two factors. This clarification affirms that 80 is a composite number, not a prime number.

## What Kind of Number is 80?

80 is categorized as a composite number because it has more than two distinct positive divisors: 1, 2, 4, 5, 8, 10, 16, 20, 40, and itself.

**80 is an even number**, easily identified by its divisibility by 2.- It holds significance in various contexts, notably for its properties as a composite number.
**80 is a natural number**, fitting within the set of counting numbers starting from 1.- As a
**positive integer**, 80 is positive and whole. - It is discussed within the realm of composite numbers, distinguishing it from prime numbers.
- Being even, it is divisible by 2, marking it clearly as an
**even number**. **80 is a rational number**, as it can be expressed as a fraction with an integer numerator and a non-zero integer denominator.- It is also a
**whole number**, being non-negative and without fractions or decimals.

80, by virtue of being a composite number, stands apart in mathematics in comparison to prime numbers. Its divisibility by multiple numbers other than just 1 and itself highlights its composite identity. The characteristics of 80, such as being even, composite, and a natural number, render it a subject of interest across different mathematical discussions.

## Nearest Prime Numbers to 80

The nearest prime numbers to 80 are 79 and 83. **79 is the closest prime number less than 80**, and **83 is the closest prime number greater than 80**. These prime numbers bracket 80, situating it within a mathematical context of both composite and prime number discussions.