It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 240 337 is not a prime number.
For example, 240 337 can be divided by 149: 240 337 / 149 = 1 613.
For 240 337 to be a prime number, it would have been required that 240 337 has only two divisors, i.e., itself and 1.
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240 337 is an odd number, because it is not evenly divisible by 2.
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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 240 337 is about 490.242.
Thus, the square root of 240 337 is not an integer, and therefore 240 337 is not a square number.
The square of a number (here 240 337) is the result of the product of this number (240 337) by itself (i.e., 240 337 × 240 337); the square of 240 337 is sometimes called "raising 240 337 to the power 2", or "240 337 squared".
The square of 240 337 is 57 761 873 569 because 240 337 × 240 337 = 240 3372 = 57 761 873 569.
As a consequence, 240 337 is the square root of 57 761 873 569.
The multiples of 240 337 are all integers evenly divisible by 240 337, that is all numbers such that the remainder of the division by 240 337 is zero. There are infinitely many multiples of 240 337. The smallest multiples of 240 337 are: