It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 118 513 is not a prime number.
For example, 118 513 can be divided by 31: 118 513 / 31 = 3 823.
For 118 513 to be a prime number, it would have been required that 118 513 has only two divisors, i.e., itself and 1.
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118 513 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 118 513 is about 344.257.
Thus, the square root of 118 513 is not an integer, and therefore 118 513 is not a square number.
The square of a number (here 118 513) is the result of the product of this number (118 513) by itself (i.e., 118 513 × 118 513); the square of 118 513 is sometimes called "raising 118 513 to the power 2", or "118 513 squared".
The square of 118 513 is 14 045 331 169 because 118 513 × 118 513 = 118 5132 = 14 045 331 169.
As a consequence, 118 513 is the square root of 14 045 331 169.
The multiples of 118 513 are all integers evenly divisible by 118 513, that is all numbers such that the remainder of the division by 118 513 is zero. There are infinitely many multiples of 118 513. The smallest multiples of 118 513 are: