It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 490 635 376 is not a prime number.
For example, 490 635 376 can be divided by 2: 490 635 376 / 2 = 245 317 688.
For 490 635 376 to be a prime number, it would have been required that 490 635 376 has only two divisors, i.e., itself and 1.
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490 635 376 is an even number, because it is evenly divisible by 2: 490 635 376 / 2 = 245 317 688.
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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 490 635 376 is about 22 150.291.
Thus, the square root of 490 635 376 is not an integer, and therefore 490 635 376 is not a square number.
The square of a number (here 490 635 376) is the result of the product of this number (490 635 376) by itself (i.e., 490 635 376 × 490 635 376); the square of 490 635 376 is sometimes called "raising 490 635 376 to the power 2", or "490 635 376 squared".
The square of 490 635 376 is 240 723 072 182 661 376 because 490 635 376 × 490 635 376 = 490 635 3762 = 240 723 072 182 661 376.
As a consequence, 490 635 376 is the square root of 240 723 072 182 661 376.
490 635 376 is a number with 9 digits.
The multiples of 490 635 376 are all integers evenly divisible by 490 635 376, that is all numbers such that the remainder of the division by 490 635 376 is zero. There are infinitely many multiples of 490 635 376. The smallest multiples of 490 635 376 are: