It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 490 302 213 is not a prime number.
For example, 490 302 213 can be divided by 3: 490 302 213 / 3 = 163 434 071.
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For 490 302 213 to be a prime number, it would have been required that 490 302 213 has only two divisors, i.e., itself and 1.
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490 302 213 is an odd number, because it is not evenly divisible by 2.
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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 490 302 213 is about 22 142.769.
Thus, the square root of 490 302 213 is not an integer, and therefore 490 302 213 is not a square number.
The square of a number (here 490 302 213) is the result of the product of this number (490 302 213) by itself (i.e., 490 302 213 × 490 302 213); the square of 490 302 213 is sometimes called "raising 490 302 213 to the power 2", or "490 302 213 squared".
The square of 490 302 213 is 240 396 260 072 697 376 because 490 302 213 × 490 302 213 = 490 302 2132 = 240 396 260 072 697 376.
As a consequence, 490 302 213 is the square root of 240 396 260 072 697 376.
490 302 213 is a number with 9 digits.
The multiples of 490 302 213 are all integers evenly divisible by 490 302 213, that is all numbers such that the remainder of the division by 490 302 213 is zero. There are infinitely many multiples of 490 302 213. The smallest multiples of 490 302 213 are: