It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 329 216 is not a prime number.
For example, 329 216 can be divided by 2: 329 216 / 2 = 164 608.
For 329 216 to be a prime number, it would have been required that 329 216 has only two divisors, i.e., itself and 1.
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329 216 is an even number, because it is evenly divisible by 2: 329 216 / 2 = 164 608.
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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 329 216 is about 573.773.
Thus, the square root of 329 216 is not an integer, and therefore 329 216 is not a square number.
The square of a number (here 329 216) is the result of the product of this number (329 216) by itself (i.e., 329 216 × 329 216); the square of 329 216 is sometimes called "raising 329 216 to the power 2", or "329 216 squared".
The square of 329 216 is 108 383 174 656 because 329 216 × 329 216 = 329 2162 = 108 383 174 656.
As a consequence, 329 216 is the square root of 108 383 174 656.
The multiples of 329 216 are all integers evenly divisible by 329 216, that is all numbers such that the remainder of the division by 329 216 is zero. There are infinitely many multiples of 329 216. The smallest multiples of 329 216 are: