# Is 847 a Prime Number?

Is 847 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 847 a prime number? According to the definition mentioned above, we can say * "No, 847 is not a prime number."* Now let us take a look at the detailed solution of why is 847 a prime number or a composite number?

**Is 847 a prime number? -**No**Is 847 a composite number? -**Yes**Factors of 847 -**1, 7, 11, 77, 121, 847**Prime Factors of 847 -**7, 11**Is 847 a perfect square? -**No

## Is 847 a Prime Number?

No, 847 is not a prime number. The number 847 is divisible by 1, 7, 11, 77, 121, 847. For a number to be classified as a prime number, it should have exactly two factors. Since 847 has more than two factors, i.e. 1, 7, 11, 77, 121, 847, it is not a prime number.

## Why is 847 not a Prime Number?

To understand whether 847 is composite or prime, it is important to find its factors.

**Factors of 847:** 1, 7, 11, 77, 121, 847

Since 847 has more than 2 factors, we can say that 847 is not a prime number.

## Is 847 a Composite Number?

Yes, since 847 has more than two factors i.e. 1, 7, 11, 77, 121, 847. In other words, 847 is a composite number because 847 has more than 2 factors.

**Problem Statements: **

Is 847 a Prime Number? | No |

Is 847 a Composite Number? | Yes |

Is 847 an Even Number? | No |

Square Root of 847 | 29.103264 |

Is 847 a Perfect Square? | No |

Multiples of 847 | 847, 1694, 2541, 3388, 4235, 5082, 5929, 6776, 7623, 8470 |

Is 847 an Odd Number? | Yes |

Cube Root of 847 | 9.461504 |

Square of 847 | 717409 |

Is 847 a Perfect Cube? | No |

**Fun Facts: **

- A semiprime number is a composite number that is the product of exactly two prime numbers. Example - 115 is semiprime, since 115 can be written as 5 × 23.
- 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. - 1 is neither prime nor composite.

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