It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 531 508 is not a prime number.
For example, 531 508 can be divided by 2: 531 508 / 2 = 265 754.
For 531 508 to be a prime number, it would have been required that 531 508 has only two divisors, i.e., itself and 1.
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531 508 is an even number, because it is evenly divisible by 2: 531 508 / 2 = 265 754.
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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 531 508 is about 729.046.
Thus, the square root of 531 508 is not an integer, and therefore 531 508 is not a square number.
The square of a number (here 531 508) is the result of the product of this number (531 508) by itself (i.e., 531 508 × 531 508); the square of 531 508 is sometimes called "raising 531 508 to the power 2", or "531 508 squared".
The square of 531 508 is 282 500 754 064 because 531 508 × 531 508 = 531 5082 = 282 500 754 064.
As a consequence, 531 508 is the square root of 282 500 754 064.
The multiples of 531 508 are all integers evenly divisible by 531 508, that is all numbers such that the remainder of the division by 531 508 is zero. There are infinitely many multiples of 531 508. The smallest multiples of 531 508 are: