# Is 817 a Prime Number?

Is 817 a prime number? Numbers having only 2 factors, i.e. 1 and the number itself are known as prime numbers whereas numbers with more than 2 factors are known as composite. The answer to the question whether 817 is a prime or composite is - * "817 is a composite number."* Now, let us find out how and why is 817 a prime number or a composite number?

**Is 817 a prime number? -**No**Is 817 a composite number? -**Yes**Factors of 817 -**1, 19, 43, 817**Is 817 a perfect square? -**No**Prime Factors of 817 -**19, 43

## Is 817 a Prime Number?

No, 817 is not a prime number. The number 817 is divisible by 1, 19, 43, 817. For a number to be classified as a prime number, it should have exactly two factors. Since 817 has more than two factors, i.e. 1, 19, 43, 817, it is not a prime number.

## Why is 817 not a Prime Number?

To understand whether 817 is prime or composite, it is important to find its factors.

**Factors of 817:** 1, 19, 43, 817

Since 817 has more than 2 factors, we can say that 817 is not a prime number.

## Is 817 a Composite Number?

Yes, since 817 has more than two factors i.e. 1, 19, 43, 817. In other words, 817 is a composite number because 817 has more than 2 factors.

**Problem Statements: **

Is 817 a Prime Number? | No |

Is 817 a Composite Number? | Yes |

Multiples of 817 | 817, 1634, 2451, 3268, 4085, 4902, 5719, 6536, 7353, 8170 |

Square of 817 | 667489 |

Is 817 a Perfect Square? | No |

Is 817 a Perfect Cube? | No |

Cube Root of 817 | 9.348452 |

Is 817 an Even Number? | No |

Is 817 an Odd Number? | Yes |

Square Root of 817 | 28.583212 |

**Fun Facts: **

- 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
- A palindrome prime is a prime number that when read in reverse order results in the same number. Examples - 10601, 11311, 12421
- 1 is neither prime nor composite.

**☛ Also Check: **

- Is 27 a Prime Number? - No
- Is 81 a Prime Number? - No
- Is 21 a Prime Number? - No
- Is 37 a Prime Number? - Yes
- Is 1 a Prime Number? - No
- Is 44 a Prime Number? - No
- Is 66 a Prime Number? - No
- Is 411 a Prime Number? - No

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