It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 240 272 is not a prime number.
For example, 240 272 can be divided by 2: 240 272 / 2 = 120 136.
For 240 272 to be a prime number, it would have been required that 240 272 has only two divisors, i.e., itself and 1.
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240 272 is an even number, because it is evenly divisible by 2: 240 272 / 2 = 120 136.
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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 240 272 is about 490.175.
Thus, the square root of 240 272 is not an integer, and therefore 240 272 is not a square number.
The square of a number (here 240 272) is the result of the product of this number (240 272) by itself (i.e., 240 272 × 240 272); the square of 240 272 is sometimes called "raising 240 272 to the power 2", or "240 272 squared".
The square of 240 272 is 57 730 633 984 because 240 272 × 240 272 = 240 2722 = 57 730 633 984.
As a consequence, 240 272 is the square root of 57 730 633 984.
The multiples of 240 272 are all integers evenly divisible by 240 272, that is all numbers such that the remainder of the division by 240 272 is zero. There are infinitely many multiples of 240 272. The smallest multiples of 240 272 are: