It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 118 312 is not a prime number.
For example, 118 312 can be divided by 2: 118 312 / 2 = 59 156.
For 118 312 to be a prime number, it would have been required that 118 312 has only two divisors, i.e., itself and 1.
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118 312 is an even number, because it is evenly divisible by 2: 118 312 / 2 = 59 156.
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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 118 312 is about 343.965.
Thus, the square root of 118 312 is not an integer, and therefore 118 312 is not a square number.
The square of a number (here 118 312) is the result of the product of this number (118 312) by itself (i.e., 118 312 × 118 312); the square of 118 312 is sometimes called "raising 118 312 to the power 2", or "118 312 squared".
The square of 118 312 is 13 997 729 344 because 118 312 × 118 312 = 118 3122 = 13 997 729 344.
As a consequence, 118 312 is the square root of 13 997 729 344.
The multiples of 118 312 are all integers evenly divisible by 118 312, that is all numbers such that the remainder of the division by 118 312 is zero. There are infinitely many multiples of 118 312. The smallest multiples of 118 312 are: