# Is 457 a Prime Number?

Is 457 a Prime Number? * "Yes, 457 is a prime number."* A number can be classified as prime or composite depending on the factors it contains; it could either have only 2 factors or more than 2 factors. Numbers like 239 with only 2 factors, i.e. 1 and 239 are called prime numbers. However, numbers like 246 with more than 2 factors are called composite numbers. Let us find out how and why is 457 a prime number?

**Is 457 a prime number? -**Yes**Is 457 a composite number? -**No**Factors of 457 -**1, 457**Is 457 a perfect square? -**No**Prime Factors of 457 -**457

## Is 457 a Prime Number?

Yes, 457 is a prime number. The number 457 is divisible only by 1 and the number itself. For a number to be classified as a prime number, it should have exactly two factors. Since 457 has exactly two factors, i.e. 1 and 457, it is a prime number.

## How is 457 a Prime Number?

To understand whether 457 is prime or composite, it is important to find its factors.

**Factors of 457:** 1, 457

Therefore, we can say that 457 is a prime number since it has only 2 factors.

## Is 457 a Composite Number?

No, since 457 has only two factors, i.e. 1 and 457. In other words, 457 is not a composite number because 457 doesn’t have more than 2 factors.

**Problem Statements: **

Is 457 a Prime Number? | Yes |

Is 457 a Composite Number? | No |

Is 457 an Odd Number? | Yes |

Cube Root of 457 | 7.702609 |

Is 457 a Perfect Cube? | No |

Is 457 a Perfect Square? | No |

Is 457 an Even Number? | No |

Square Root of 457 | 21.377558 |

Multiples of 457 | 457, 914, 1371, 1828, 2285, 2742, 3199, 3656, 4113, 4570 |

**Fun Facts: **

- Prime numbers greater than 5 can be represented in the form of either 6n + 1 or 6n - 1. Example - 89 is a prime number and it can be written as 89 = 6 × 15 - 1
- A palindrome prime is a prime number that when read in reverse order results in the same number. Examples - 787, 373, 353
- 23 is the smallest prime number having consecutive digits.

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