It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 118 308 is not a prime number.
For example, 118 308 can be divided by 2: 118 308 / 2 = 59 154.
For 118 308 to be a prime number, it would have been required that 118 308 has only two divisors, i.e., itself and 1.
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118 308 is an even number, because it is evenly divisible by 2: 118 308 / 2 = 59 154.
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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 118 308 is about 343.959.
Thus, the square root of 118 308 is not an integer, and therefore 118 308 is not a square number.
The square of a number (here 118 308) is the result of the product of this number (118 308) by itself (i.e., 118 308 × 118 308); the square of 118 308 is sometimes called "raising 118 308 to the power 2", or "118 308 squared".
The square of 118 308 is 13 996 782 864 because 118 308 × 118 308 = 118 3082 = 13 996 782 864.
As a consequence, 118 308 is the square root of 13 996 782 864.
The multiples of 118 308 are all integers evenly divisible by 118 308, that is all numbers such that the remainder of the division by 118 308 is zero. There are infinitely many multiples of 118 308. The smallest multiples of 118 308 are: