It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 493 796 is not a prime number.
For example, 493 796 can be divided by 2: 493 796 / 2 = 246 898.
For 493 796 to be a prime number, it would have been required that 493 796 has only two divisors, i.e., itself and 1.
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493 796 is an even number, because it is evenly divisible by 2: 493 796 / 2 = 246 898.
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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 493 796 is about 702.706.
Thus, the square root of 493 796 is not an integer, and therefore 493 796 is not a square number.
The square of a number (here 493 796) is the result of the product of this number (493 796) by itself (i.e., 493 796 × 493 796); the square of 493 796 is sometimes called "raising 493 796 to the power 2", or "493 796 squared".
The square of 493 796 is 243 834 489 616 because 493 796 × 493 796 = 493 7962 = 243 834 489 616.
As a consequence, 493 796 is the square root of 243 834 489 616.
The multiples of 493 796 are all integers evenly divisible by 493 796, that is all numbers such that the remainder of the division by 493 796 is zero. There are infinitely many multiples of 493 796. The smallest multiples of 493 796 are: