It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 488 939 309 is not a prime number.
For example, 488 939 309 can be divided by 41: 488 939 309 / 41 = 11 925 349.
For 488 939 309 to be a prime number, it would have been required that 488 939 309 has only two divisors, i.e., itself and 1.
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488 939 309 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 488 939 309 is about 22 111.972.
Thus, the square root of 488 939 309 is not an integer, and therefore 488 939 309 is not a square number.
The square of a number (here 488 939 309) is the result of the product of this number (488 939 309) by itself (i.e., 488 939 309 × 488 939 309); the square of 488 939 309 is sometimes called "raising 488 939 309 to the power 2", or "488 939 309 squared".
The square of 488 939 309 is 239 061 647 885 397 472 because 488 939 309 × 488 939 309 = 488 939 3092 = 239 061 647 885 397 472.
As a consequence, 488 939 309 is the square root of 239 061 647 885 397 472.
488 939 309 is a number with 9 digits.
The multiples of 488 939 309 are all integers evenly divisible by 488 939 309, that is all numbers such that the remainder of the division by 488 939 309 is zero. There are infinitely many multiples of 488 939 309. The smallest multiples of 488 939 309 are: