It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 355 329 is not a prime number.
For example, 355 329 can be divided by 3: 355 329 / 3 = 118 443.
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For 355 329 to be a prime number, it would have been required that 355 329 has only two divisors, i.e., itself and 1.
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355 329 is an odd number, because it is not evenly divisible by 2.
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A number is a perfect square (or a square number) if its square root is an integer; that is to say, it is the product of an integer with itself. Here, the square root of 355 329 is about 596.095.
Thus, the square root of 355 329 is not an integer, and therefore 355 329 is not a square number.
The square of a number (here 355 329) is the result of the product of this number (355 329) by itself (i.e., 355 329 × 355 329); the square of 355 329 is sometimes called "raising 355 329 to the power 2", or "355 329 squared".
The square of 355 329 is 126 258 698 241 because 355 329 × 355 329 = 355 3292 = 126 258 698 241.
As a consequence, 355 329 is the square root of 126 258 698 241.
The multiples of 355 329 are all integers evenly divisible by 355 329, that is all numbers such that the remainder of the division by 355 329 is zero. There are infinitely many multiples of 355 329. The smallest multiples of 355 329 are: