It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 118 338 is not a prime number.
For example, 118 338 can be divided by 2: 118 338 / 2 = 59 169.
For 118 338 to be a prime number, it would have been required that 118 338 has only two divisors, i.e., itself and 1.
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118 338 is an even number, because it is evenly divisible by 2: 118 338 / 2 = 59 169.
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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 118 338 is about 344.003.
Thus, the square root of 118 338 is not an integer, and therefore 118 338 is not a square number.
The square of a number (here 118 338) is the result of the product of this number (118 338) by itself (i.e., 118 338 × 118 338); the square of 118 338 is sometimes called "raising 118 338 to the power 2", or "118 338 squared".
The square of 118 338 is 14 003 882 244 because 118 338 × 118 338 = 118 3382 = 14 003 882 244.
As a consequence, 118 338 is the square root of 14 003 882 244.
The multiples of 118 338 are all integers evenly divisible by 118 338, that is all numbers such that the remainder of the division by 118 338 is zero. There are infinitely many multiples of 118 338. The smallest multiples of 118 338 are: