It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 493 116 is not a prime number.
For example, 493 116 can be divided by 2: 493 116 / 2 = 246 558.
For 493 116 to be a prime number, it would have been required that 493 116 has only two divisors, i.e., itself and 1.
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493 116 is an even number, because it is evenly divisible by 2: 493 116 / 2 = 246 558.
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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 493 116 is about 702.222.
Thus, the square root of 493 116 is not an integer, and therefore 493 116 is not a square number.
The square of a number (here 493 116) is the result of the product of this number (493 116) by itself (i.e., 493 116 × 493 116); the square of 493 116 is sometimes called "raising 493 116 to the power 2", or "493 116 squared".
The square of 493 116 is 243 163 389 456 because 493 116 × 493 116 = 493 1162 = 243 163 389 456.
As a consequence, 493 116 is the square root of 243 163 389 456.
The multiples of 493 116 are all integers evenly divisible by 493 116, that is all numbers such that the remainder of the division by 493 116 is zero. There are infinitely many multiples of 493 116. The smallest multiples of 493 116 are: