It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 494 298 is not a prime number.
For example, 494 298 can be divided by 2: 494 298 / 2 = 247 149.
For 494 298 to be a prime number, it would have been required that 494 298 has only two divisors, i.e., itself and 1.
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494 298 is an even number, because it is evenly divisible by 2: 494 298 / 2 = 247 149.
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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 494 298 is about 703.063.
Thus, the square root of 494 298 is not an integer, and therefore 494 298 is not a square number.
The square of a number (here 494 298) is the result of the product of this number (494 298) by itself (i.e., 494 298 × 494 298); the square of 494 298 is sometimes called "raising 494 298 to the power 2", or "494 298 squared".
The square of 494 298 is 244 330 512 804 because 494 298 × 494 298 = 494 2982 = 244 330 512 804.
As a consequence, 494 298 is the square root of 244 330 512 804.
The multiples of 494 298 are all integers evenly divisible by 494 298, that is all numbers such that the remainder of the division by 494 298 is zero. There are infinitely many multiples of 494 298. The smallest multiples of 494 298 are: