It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 490 482 is not a prime number.
For example, 490 482 can be divided by 2: 490 482 / 2 = 245 241.
For 490 482 to be a prime number, it would have been required that 490 482 has only two divisors, i.e., itself and 1.
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490 482 is an even number, because it is evenly divisible by 2: 490 482 / 2 = 245 241.
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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 490 482 is about 700.344.
Thus, the square root of 490 482 is not an integer, and therefore 490 482 is not a square number.
The square of a number (here 490 482) is the result of the product of this number (490 482) by itself (i.e., 490 482 × 490 482); the square of 490 482 is sometimes called "raising 490 482 to the power 2", or "490 482 squared".
The square of 490 482 is 240 572 592 324 because 490 482 × 490 482 = 490 4822 = 240 572 592 324.
As a consequence, 490 482 is the square root of 240 572 592 324.
The multiples of 490 482 are all integers evenly divisible by 490 482, that is all numbers such that the remainder of the division by 490 482 is zero. There are infinitely many multiples of 490 482. The smallest multiples of 490 482 are: