It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 118 356 is not a prime number.
For example, 118 356 can be divided by 2: 118 356 / 2 = 59 178.
For 118 356 to be a prime number, it would have been required that 118 356 has only two divisors, i.e., itself and 1.
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118 356 is an even number, because it is evenly divisible by 2: 118 356 / 2 = 59 178.
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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 118 356 is about 344.029.
Thus, the square root of 118 356 is not an integer, and therefore 118 356 is not a square number.
The square of a number (here 118 356) is the result of the product of this number (118 356) by itself (i.e., 118 356 × 118 356); the square of 118 356 is sometimes called "raising 118 356 to the power 2", or "118 356 squared".
The square of 118 356 is 14 008 142 736 because 118 356 × 118 356 = 118 3562 = 14 008 142 736.
As a consequence, 118 356 is the square root of 14 008 142 736.
The multiples of 118 356 are all integers evenly divisible by 118 356, that is all numbers such that the remainder of the division by 118 356 is zero. There are infinitely many multiples of 118 356. The smallest multiples of 118 356 are: