It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 508 804 is not a prime number.
For example, 508 804 can be divided by 2: 508 804 / 2 = 254 402.
For 508 804 to be a prime number, it would have been required that 508 804 has only two divisors, i.e., itself and 1.
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508 804 is an even number, because it is evenly divisible by 2: 508 804 / 2 = 254 402.
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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 508 804 is about 713.305.
Thus, the square root of 508 804 is not an integer, and therefore 508 804 is not a square number.
The square of a number (here 508 804) is the result of the product of this number (508 804) by itself (i.e., 508 804 × 508 804); the square of 508 804 is sometimes called "raising 508 804 to the power 2", or "508 804 squared".
The square of 508 804 is 258 881 510 416 because 508 804 × 508 804 = 508 8042 = 258 881 510 416.
As a consequence, 508 804 is the square root of 258 881 510 416.
The multiples of 508 804 are all integers evenly divisible by 508 804, that is all numbers such that the remainder of the division by 508 804 is zero. There are infinitely many multiples of 508 804. The smallest multiples of 508 804 are: