It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 118 178 638 is not a prime number.
For example, 118 178 638 can be divided by 2: 118 178 638 / 2 = 59 089 319.
For 118 178 638 to be a prime number, it would have been required that 118 178 638 has only two divisors, i.e., itself and 1.
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118 178 638 is an even number, because it is evenly divisible by 2: 118 178 638 / 2 = 59 089 319.
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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 118 178 638 is about 10 871.000.
Thus, the square root of 118 178 638 is not an integer, and therefore 118 178 638 is not a square number.
The square of a number (here 118 178 638) is the result of the product of this number (118 178 638) by itself (i.e., 118 178 638 × 118 178 638); the square of 118 178 638 is sometimes called "raising 118 178 638 to the power 2", or "118 178 638 squared".
The square of 118 178 638 is 13 966 190 479 535 044 because 118 178 638 × 118 178 638 = 118 178 6382 = 13 966 190 479 535 044.
As a consequence, 118 178 638 is the square root of 13 966 190 479 535 044.
118 178 638 is a number with 9 digits.
The multiples of 118 178 638 are all integers evenly divisible by 118 178 638, that is all numbers such that the remainder of the division by 118 178 638 is zero. There are infinitely many multiples of 118 178 638. The smallest multiples of 118 178 638 are: