It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 490 302 is not a prime number.
For example, 490 302 can be divided by 2: 490 302 / 2 = 245 151.
For 490 302 to be a prime number, it would have been required that 490 302 has only two divisors, i.e., itself and 1.
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490 302 is an even number, because it is evenly divisible by 2: 490 302 / 2 = 245 151.
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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 490 302 is about 700.216.
Thus, the square root of 490 302 is not an integer, and therefore 490 302 is not a square number.
The square of a number (here 490 302) is the result of the product of this number (490 302) by itself (i.e., 490 302 × 490 302); the square of 490 302 is sometimes called "raising 490 302 to the power 2", or "490 302 squared".
The square of 490 302 is 240 396 051 204 because 490 302 × 490 302 = 490 3022 = 240 396 051 204.
As a consequence, 490 302 is the square root of 240 396 051 204.
The multiples of 490 302 are all integers evenly divisible by 490 302, that is all numbers such that the remainder of the division by 490 302 is zero. There are infinitely many multiples of 490 302. The smallest multiples of 490 302 are: