It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 342 504 is not a prime number.
For example, 342 504 can be divided by 2: 342 504 / 2 = 171 252.
For 342 504 to be a prime number, it would have been required that 342 504 has only two divisors, i.e., itself and 1.
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342 504 is an even number, because it is evenly divisible by 2: 342 504 / 2 = 171 252.
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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 342 504 is about 585.238.
Thus, the square root of 342 504 is not an integer, and therefore 342 504 is not a square number.
The square of a number (here 342 504) is the result of the product of this number (342 504) by itself (i.e., 342 504 × 342 504); the square of 342 504 is sometimes called "raising 342 504 to the power 2", or "342 504 squared".
The square of 342 504 is 117 308 990 016 because 342 504 × 342 504 = 342 5042 = 117 308 990 016.
As a consequence, 342 504 is the square root of 117 308 990 016.
The multiples of 342 504 are all integers evenly divisible by 342 504, that is all numbers such that the remainder of the division by 342 504 is zero. There are infinitely many multiples of 342 504. The smallest multiples of 342 504 are: