It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 118 678 is not a prime number.
For example, 118 678 can be divided by 2: 118 678 / 2 = 59 339.
For 118 678 to be a prime number, it would have been required that 118 678 has only two divisors, i.e., itself and 1.
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118 678 is an even number, because it is evenly divisible by 2: 118 678 / 2 = 59 339.
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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 118 678 is about 344.497.
Thus, the square root of 118 678 is not an integer, and therefore 118 678 is not a square number.
The square of a number (here 118 678) is the result of the product of this number (118 678) by itself (i.e., 118 678 × 118 678); the square of 118 678 is sometimes called "raising 118 678 to the power 2", or "118 678 squared".
The square of 118 678 is 14 084 467 684 because 118 678 × 118 678 = 118 6782 = 14 084 467 684.
As a consequence, 118 678 is the square root of 14 084 467 684.
The multiples of 118 678 are all integers evenly divisible by 118 678, that is all numbers such that the remainder of the division by 118 678 is zero. There are infinitely many multiples of 118 678. The smallest multiples of 118 678 are: