Number 457 is a prime number.

A prime number is a natural number greater than 1 that is not a product of two smaller natural numbers. Therefore we consider 457 as a prime number, because:

- 457 is a natural number greater than 1,
- 457 is not a product of 2 smaller natural numbers (it can be divided only by 1 and itself)

Number of factors: 2.

List of factors/divisors: 1, 457.

Parity: 457 is an odd number.

Perfect square: no (a square number or perfect square is an integer that is the square of an integer).

Perfect number: no, because the sum of its proper divisors is 1 (perfect number is a positive integer that is equal to the sum of its proper divisors).

Number: Prime number: | 450 no | 451 no | 452 no | 453 no | 454 no | 455 no | 456 no | 457 yes | 458 no | 459 no | 460 no | 461 yes | 462 no | 463 yes | 464 no |
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