It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 118 523 is not a prime number.
For example, 118 523 can be divided by 29: 118 523 / 29 = 4 087.
For 118 523 to be a prime number, it would have been required that 118 523 has only two divisors, i.e., itself and 1.
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118 523 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 118 523 is about 344.272.
Thus, the square root of 118 523 is not an integer, and therefore 118 523 is not a square number.
The square of a number (here 118 523) is the result of the product of this number (118 523) by itself (i.e., 118 523 × 118 523); the square of 118 523 is sometimes called "raising 118 523 to the power 2", or "118 523 squared".
The square of 118 523 is 14 047 701 529 because 118 523 × 118 523 = 118 5232 = 14 047 701 529.
As a consequence, 118 523 is the square root of 14 047 701 529.
The multiples of 118 523 are all integers evenly divisible by 118 523, that is all numbers such that the remainder of the division by 118 523 is zero. There are infinitely many multiples of 118 523. The smallest multiples of 118 523 are: