It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 490 220 672 is not a prime number.
For example, 490 220 672 can be divided by 2: 490 220 672 / 2 = 245 110 336.
For 490 220 672 to be a prime number, it would have been required that 490 220 672 has only two divisors, i.e., itself and 1.
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490 220 672 is an even number, because it is evenly divisible by 2: 490 220 672 / 2 = 245 110 336.
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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 490 220 672 is about 22 140.928.
Thus, the square root of 490 220 672 is not an integer, and therefore 490 220 672 is not a square number.
The square of a number (here 490 220 672) is the result of the product of this number (490 220 672) by itself (i.e., 490 220 672 × 490 220 672); the square of 490 220 672 is sometimes called "raising 490 220 672 to the power 2", or "490 220 672 squared".
The square of 490 220 672 is 240 316 307 256 131 584 because 490 220 672 × 490 220 672 = 490 220 6722 = 240 316 307 256 131 584.
As a consequence, 490 220 672 is the square root of 240 316 307 256 131 584.
490 220 672 is a number with 9 digits.
The multiples of 490 220 672 are all integers evenly divisible by 490 220 672, that is all numbers such that the remainder of the division by 490 220 672 is zero. There are infinitely many multiples of 490 220 672. The smallest multiples of 490 220 672 are: