It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 118 998 is not a prime number.
For example, 118 998 can be divided by 2: 118 998 / 2 = 59 499.
For 118 998 to be a prime number, it would have been required that 118 998 has only two divisors, i.e., itself and 1.
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118 998 is an even number, because it is evenly divisible by 2: 118 998 / 2 = 59 499.
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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 118 998 is about 344.961.
Thus, the square root of 118 998 is not an integer, and therefore 118 998 is not a square number.
The square of a number (here 118 998) is the result of the product of this number (118 998) by itself (i.e., 118 998 × 118 998); the square of 118 998 is sometimes called "raising 118 998 to the power 2", or "118 998 squared".
The square of 118 998 is 14 160 524 004 because 118 998 × 118 998 = 118 9982 = 14 160 524 004.
As a consequence, 118 998 is the square root of 14 160 524 004.
The multiples of 118 998 are all integers evenly divisible by 118 998, that is all numbers such that the remainder of the division by 118 998 is zero. There are infinitely many multiples of 118 998. The smallest multiples of 118 998 are: