It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 118 578 is not a prime number.
For example, 118 578 can be divided by 2: 118 578 / 2 = 59 289.
For 118 578 to be a prime number, it would have been required that 118 578 has only two divisors, i.e., itself and 1.
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118 578 is an even number, because it is evenly divisible by 2: 118 578 / 2 = 59 289.
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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 118 578 is about 344.352.
Thus, the square root of 118 578 is not an integer, and therefore 118 578 is not a square number.
The square of a number (here 118 578) is the result of the product of this number (118 578) by itself (i.e., 118 578 × 118 578); the square of 118 578 is sometimes called "raising 118 578 to the power 2", or "118 578 squared".
The square of 118 578 is 14 060 742 084 because 118 578 × 118 578 = 118 5782 = 14 060 742 084.
As a consequence, 118 578 is the square root of 14 060 742 084.
The multiples of 118 578 are all integers evenly divisible by 118 578, that is all numbers such that the remainder of the division by 118 578 is zero. There are infinitely many multiples of 118 578. The smallest multiples of 118 578 are: