It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 118 142 is not a prime number.
For example, 118 142 can be divided by 2: 118 142 / 2 = 59 071.
For 118 142 to be a prime number, it would have been required that 118 142 has only two divisors, i.e., itself and 1.
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118 142 is an even number, because it is evenly divisible by 2: 118 142 / 2 = 59 071.
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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 118 142 is about 343.718.
Thus, the square root of 118 142 is not an integer, and therefore 118 142 is not a square number.
The square of a number (here 118 142) is the result of the product of this number (118 142) by itself (i.e., 118 142 × 118 142); the square of 118 142 is sometimes called "raising 118 142 to the power 2", or "118 142 squared".
The square of 118 142 is 13 957 532 164 because 118 142 × 118 142 = 118 1422 = 13 957 532 164.
As a consequence, 118 142 is the square root of 13 957 532 164.
The multiples of 118 142 are all integers evenly divisible by 118 142, that is all numbers such that the remainder of the division by 118 142 is zero. There are infinitely many multiples of 118 142. The smallest multiples of 118 142 are: