It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 108 602 is not a prime number.
For example, 108 602 can be divided by 2: 108 602 / 2 = 54 301.
For 108 602 to be a prime number, it would have been required that 108 602 has only two divisors, i.e., itself and 1.
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108 602 is an even number, because it is evenly divisible by 2: 108 602 / 2 = 54 301.
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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 108 602 is about 329.548.
Thus, the square root of 108 602 is not an integer, and therefore 108 602 is not a square number.
The square of a number (here 108 602) is the result of the product of this number (108 602) by itself (i.e., 108 602 × 108 602); the square of 108 602 is sometimes called "raising 108 602 to the power 2", or "108 602 squared".
The square of 108 602 is 11 794 394 404 because 108 602 × 108 602 = 108 6022 = 11 794 394 404.
As a consequence, 108 602 is the square root of 11 794 394 404.
The multiples of 108 602 are all integers evenly divisible by 108 602, that is all numbers such that the remainder of the division by 108 602 is zero. There are infinitely many multiples of 108 602. The smallest multiples of 108 602 are: