It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 493 102 is not a prime number.
For example, 493 102 can be divided by 2: 493 102 / 2 = 246 551.
For 493 102 to be a prime number, it would have been required that 493 102 has only two divisors, i.e., itself and 1.
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493 102 is an even number, because it is evenly divisible by 2: 493 102 / 2 = 246 551.
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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 493 102 is about 702.212.
Thus, the square root of 493 102 is not an integer, and therefore 493 102 is not a square number.
The square of a number (here 493 102) is the result of the product of this number (493 102) by itself (i.e., 493 102 × 493 102); the square of 493 102 is sometimes called "raising 493 102 to the power 2", or "493 102 squared".
The square of 493 102 is 243 149 582 404 because 493 102 × 493 102 = 493 1022 = 243 149 582 404.
As a consequence, 493 102 is the square root of 243 149 582 404.
The multiples of 493 102 are all integers evenly divisible by 493 102, that is all numbers such that the remainder of the division by 493 102 is zero. There are infinitely many multiples of 493 102. The smallest multiples of 493 102 are: