It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 488 986 is not a prime number.
For example, 488 986 can be divided by 2: 488 986 / 2 = 244 493.
For 488 986 to be a prime number, it would have been required that 488 986 has only two divisors, i.e., itself and 1.
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488 986 is an even number, because it is evenly divisible by 2: 488 986 / 2 = 244 493.
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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 488 986 is about 699.275.
Thus, the square root of 488 986 is not an integer, and therefore 488 986 is not a square number.
The square of a number (here 488 986) is the result of the product of this number (488 986) by itself (i.e., 488 986 × 488 986); the square of 488 986 is sometimes called "raising 488 986 to the power 2", or "488 986 squared".
The square of 488 986 is 239 107 308 196 because 488 986 × 488 986 = 488 9862 = 239 107 308 196.
As a consequence, 488 986 is the square root of 239 107 308 196.
The multiples of 488 986 are all integers evenly divisible by 488 986, that is all numbers such that the remainder of the division by 488 986 is zero. There are infinitely many multiples of 488 986. The smallest multiples of 488 986 are: