It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 240 118 is not a prime number.
For example, 240 118 can be divided by 2: 240 118 / 2 = 120 059.
For 240 118 to be a prime number, it would have been required that 240 118 has only two divisors, i.e., itself and 1.
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240 118 is an even number, because it is evenly divisible by 2: 240 118 / 2 = 120 059.
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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 240 118 is about 490.018.
Thus, the square root of 240 118 is not an integer, and therefore 240 118 is not a square number.
The square of a number (here 240 118) is the result of the product of this number (240 118) by itself (i.e., 240 118 × 240 118); the square of 240 118 is sometimes called "raising 240 118 to the power 2", or "240 118 squared".
The square of 240 118 is 57 656 653 924 because 240 118 × 240 118 = 240 1182 = 57 656 653 924.
As a consequence, 240 118 is the square root of 57 656 653 924.
The multiples of 240 118 are all integers evenly divisible by 240 118, that is all numbers such that the remainder of the division by 240 118 is zero. There are infinitely many multiples of 240 118. The smallest multiples of 240 118 are: