It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 240 508 is not a prime number.
For example, 240 508 can be divided by 2: 240 508 / 2 = 120 254.
For 240 508 to be a prime number, it would have been required that 240 508 has only two divisors, i.e., itself and 1.
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240 508 is an even number, because it is evenly divisible by 2: 240 508 / 2 = 120 254.
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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 240 508 is about 490.416.
Thus, the square root of 240 508 is not an integer, and therefore 240 508 is not a square number.
The square of a number (here 240 508) is the result of the product of this number (240 508) by itself (i.e., 240 508 × 240 508); the square of 240 508 is sometimes called "raising 240 508 to the power 2", or "240 508 squared".
The square of 240 508 is 57 844 098 064 because 240 508 × 240 508 = 240 5082 = 57 844 098 064.
As a consequence, 240 508 is the square root of 57 844 098 064.
The multiples of 240 508 are all integers evenly divisible by 240 508, that is all numbers such that the remainder of the division by 240 508 is zero. There are infinitely many multiples of 240 508. The smallest multiples of 240 508 are: