It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 498 516 is not a prime number.
For example, 498 516 can be divided by 2: 498 516 / 2 = 249 258.
For 498 516 to be a prime number, it would have been required that 498 516 has only two divisors, i.e., itself and 1.
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498 516 is an even number, because it is evenly divisible by 2: 498 516 / 2 = 249 258.
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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 498 516 is about 706.057.
Thus, the square root of 498 516 is not an integer, and therefore 498 516 is not a square number.
The square of a number (here 498 516) is the result of the product of this number (498 516) by itself (i.e., 498 516 × 498 516); the square of 498 516 is sometimes called "raising 498 516 to the power 2", or "498 516 squared".
The square of 498 516 is 248 518 202 256 because 498 516 × 498 516 = 498 5162 = 248 518 202 256.
As a consequence, 498 516 is the square root of 248 518 202 256.
The multiples of 498 516 are all integers evenly divisible by 498 516, that is all numbers such that the remainder of the division by 498 516 is zero. There are infinitely many multiples of 498 516. The smallest multiples of 498 516 are: