It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 490 261 336 is not a prime number.
For example, 490 261 336 can be divided by 2: 490 261 336 / 2 = 245 130 668.
For 490 261 336 to be a prime number, it would have been required that 490 261 336 has only two divisors, i.e., itself and 1.
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490 261 336 is an even number, because it is evenly divisible by 2: 490 261 336 / 2 = 245 130 668.
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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 490 261 336 is about 22 141.846.
Thus, the square root of 490 261 336 is not an integer, and therefore 490 261 336 is not a square number.
The square of a number (here 490 261 336) is the result of the product of this number (490 261 336) by itself (i.e., 490 261 336 × 490 261 336); the square of 490 261 336 is sometimes called "raising 490 261 336 to the power 2", or "490 261 336 squared".
The square of 490 261 336 is 240 356 177 576 504 896 because 490 261 336 × 490 261 336 = 490 261 3362 = 240 356 177 576 504 896.
As a consequence, 490 261 336 is the square root of 240 356 177 576 504 896.
490 261 336 is a number with 9 digits.
The multiples of 490 261 336 are all integers evenly divisible by 490 261 336, that is all numbers such that the remainder of the division by 490 261 336 is zero. There are infinitely many multiples of 490 261 336. The smallest multiples of 490 261 336 are: