It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 491 522 508 is not a prime number.
For example, 491 522 508 can be divided by 2: 491 522 508 / 2 = 245 761 254.
For 491 522 508 to be a prime number, it would have been required that 491 522 508 has only two divisors, i.e., itself and 1.
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491 522 508 is an even number, because it is evenly divisible by 2: 491 522 508 / 2 = 245 761 254.
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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 491 522 508 is about 22 170.307.
Thus, the square root of 491 522 508 is not an integer, and therefore 491 522 508 is not a square number.
The square of a number (here 491 522 508) is the result of the product of this number (491 522 508) by itself (i.e., 491 522 508 × 491 522 508); the square of 491 522 508 is sometimes called "raising 491 522 508 to the power 2", or "491 522 508 squared".
The square of 491 522 508 is 241 594 375 870 610 048 because 491 522 508 × 491 522 508 = 491 522 5082 = 241 594 375 870 610 048.
As a consequence, 491 522 508 is the square root of 241 594 375 870 610 048.
491 522 508 is a number with 9 digits.
The multiples of 491 522 508 are all integers evenly divisible by 491 522 508, that is all numbers such that the remainder of the division by 491 522 508 is zero. There are infinitely many multiples of 491 522 508. The smallest multiples of 491 522 508 are: