It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 239 508 is not a prime number.
For example, 239 508 can be divided by 2: 239 508 / 2 = 119 754.
For 239 508 to be a prime number, it would have been required that 239 508 has only two divisors, i.e., itself and 1.
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239 508 is an even number, because it is evenly divisible by 2: 239 508 / 2 = 119 754.
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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 239 508 is about 489.396.
Thus, the square root of 239 508 is not an integer, and therefore 239 508 is not a square number.
The square of a number (here 239 508) is the result of the product of this number (239 508) by itself (i.e., 239 508 × 239 508); the square of 239 508 is sometimes called "raising 239 508 to the power 2", or "239 508 squared".
The square of 239 508 is 57 364 082 064 because 239 508 × 239 508 = 239 5082 = 57 364 082 064.
As a consequence, 239 508 is the square root of 57 364 082 064.
The multiples of 239 508 are all integers evenly divisible by 239 508, that is all numbers such that the remainder of the division by 239 508 is zero. There are infinitely many multiples of 239 508. The smallest multiples of 239 508 are: