Number 343 is not a prime number. It is a composite number.

A prime number is a natural number greater than 1 that is not a product of two smaller natural numbers. We do not consider 343 as a prime number, because it can be written as a product of two smaller natural numbers (check the factors of number 343 below).

Number of factors: 4.

List of factors/divisors: 1, 7, 49, 343.

Parity: 343 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 57 (perfect number is a positive integer that is equal to the sum of its proper divisors).

Number: Prime number: | 336 no | 337 yes | 338 no | 339 no | 340 no | 341 no | 342 no | 343 no | 344 no | 345 no | 346 no | 347 yes | 348 no | 349 yes | 350 no |
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