It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 488 526 is not a prime number.
For example, 488 526 can be divided by 2: 488 526 / 2 = 244 263.
For 488 526 to be a prime number, it would have been required that 488 526 has only two divisors, i.e., itself and 1.
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488 526 is an even number, because it is evenly divisible by 2: 488 526 / 2 = 244 263.
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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 488 526 is about 698.946.
Thus, the square root of 488 526 is not an integer, and therefore 488 526 is not a square number.
The square of a number (here 488 526) is the result of the product of this number (488 526) by itself (i.e., 488 526 × 488 526); the square of 488 526 is sometimes called "raising 488 526 to the power 2", or "488 526 squared".
The square of 488 526 is 238 657 652 676 because 488 526 × 488 526 = 488 5262 = 238 657 652 676.
As a consequence, 488 526 is the square root of 238 657 652 676.
The multiples of 488 526 are all integers evenly divisible by 488 526, that is all numbers such that the remainder of the division by 488 526 is zero. There are infinitely many multiples of 488 526. The smallest multiples of 488 526 are: