It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 118 306 is not a prime number.
For example, 118 306 can be divided by 2: 118 306 / 2 = 59 153.
For 118 306 to be a prime number, it would have been required that 118 306 has only two divisors, i.e., itself and 1.
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118 306 is an even number, because it is evenly divisible by 2: 118 306 / 2 = 59 153.
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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 118 306 is about 343.956.
Thus, the square root of 118 306 is not an integer, and therefore 118 306 is not a square number.
The square of a number (here 118 306) is the result of the product of this number (118 306) by itself (i.e., 118 306 × 118 306); the square of 118 306 is sometimes called "raising 118 306 to the power 2", or "118 306 squared".
The square of 118 306 is 13 996 309 636 because 118 306 × 118 306 = 118 3062 = 13 996 309 636.
As a consequence, 118 306 is the square root of 13 996 309 636.
The multiples of 118 306 are all integers evenly divisible by 118 306, that is all numbers such that the remainder of the division by 118 306 is zero. There are infinitely many multiples of 118 306. The smallest multiples of 118 306 are: