It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 492 498 is not a prime number.
For example, 492 498 can be divided by 2: 492 498 / 2 = 246 249.
For 492 498 to be a prime number, it would have been required that 492 498 has only two divisors, i.e., itself and 1.
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492 498 is an even number, because it is evenly divisible by 2: 492 498 / 2 = 246 249.
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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 492 498 is about 701.782.
Thus, the square root of 492 498 is not an integer, and therefore 492 498 is not a square number.
The square of a number (here 492 498) is the result of the product of this number (492 498) by itself (i.e., 492 498 × 492 498); the square of 492 498 is sometimes called "raising 492 498 to the power 2", or "492 498 squared".
The square of 492 498 is 242 554 280 004 because 492 498 × 492 498 = 492 4982 = 242 554 280 004.
As a consequence, 492 498 is the square root of 242 554 280 004.
The multiples of 492 498 are all integers evenly divisible by 492 498, that is all numbers such that the remainder of the division by 492 498 is zero. There are infinitely many multiples of 492 498. The smallest multiples of 492 498 are: