It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 118 878 is not a prime number.
For example, 118 878 can be divided by 2: 118 878 / 2 = 59 439.
For 118 878 to be a prime number, it would have been required that 118 878 has only two divisors, i.e., itself and 1.
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118 878 is an even number, because it is evenly divisible by 2: 118 878 / 2 = 59 439.
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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 118 878 is about 344.787.
Thus, the square root of 118 878 is not an integer, and therefore 118 878 is not a square number.
The square of a number (here 118 878) is the result of the product of this number (118 878) by itself (i.e., 118 878 × 118 878); the square of 118 878 is sometimes called "raising 118 878 to the power 2", or "118 878 squared".
The square of 118 878 is 14 131 978 884 because 118 878 × 118 878 = 118 8782 = 14 131 978 884.
As a consequence, 118 878 is the square root of 14 131 978 884.
The multiples of 118 878 are all integers evenly divisible by 118 878, that is all numbers such that the remainder of the division by 118 878 is zero. There are infinitely many multiples of 118 878. The smallest multiples of 118 878 are: