# Is 731 a Prime Number?

Is 731 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 731 a prime number? According to the definition mentioned above, we can say * "No, 731 is not a prime number."* Now let us take a look at the detailed solution of why is 731 a prime number or a composite number?

**Is 731 a prime number? -**No**Is 731 a composite number? -**Yes**Prime Factors of 731 -**17, 43**Factors of 731 -**1, 17, 43, 731**Is 731 a perfect square? -**No

## Is 731 a Prime Number?

No, 731 is not a prime number. The number 731 is divisible by 1, 17, 43, 731. For a number to be classified as a prime number, it should have exactly two factors. Since 731 has more than two factors, i.e. 1, 17, 43, 731, it is not a prime number.

## Why is 731 not a Prime Number?

To understand whether 731 is prime or composite, it is important to find its factors.

**Factors of 731:** 1, 17, 43, 731

Since 731 has more than 2 factors, we can say that 731 is not a prime number.

## Is 731 a Composite Number?

Yes, since 731 has more than two factors i.e. 1, 17, 43, 731. In other words, 731 is a composite number because 731 has more than 2 factors.

**Problem Statements: **

Is 731 a Prime Number? | No |

Is 731 a Composite Number? | Yes |

Is 731 a Perfect Cube? | No |

Square of 731 | 534361 |

Is 731 an Even Number? | No |

Square Root of 731 | 27.037012 |

Is 731 an Odd Number? | Yes |

Is 731 a Perfect Square? | No |

Multiples of 731 | 731, 1462, 2193, 2924, 3655, 4386, 5117, 5848, 6579, 7310 |

Cube Root of 731 | 9.008203 |

**Fun Facts: **

- A palindrome prime is a prime number that when read in reverse order results in the same number. Examples - 10601, 11311, 12421
- Numbers X and Y are said to be coprime if they have only one common factor that is 1.
- 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.

**☛ Also Check: **

- Is 113 a Prime Number? - Yes
- Is 19 a Prime Number? - Yes
- Is 109 a Prime Number? - Yes
- Is 49 a Prime Number? - No
- Is 13 a Prime Number? - Yes
- Is 331 a Prime Number? - Yes
- Is 377 a Prime Number? - No
- Is 2001 a Prime Number? - No

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