It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 488 556 is not a prime number.
For example, 488 556 can be divided by 2: 488 556 / 2 = 244 278.
For 488 556 to be a prime number, it would have been required that 488 556 has only two divisors, i.e., itself and 1.
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488 556 is an even number, because it is evenly divisible by 2: 488 556 / 2 = 244 278.
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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 488 556 is about 698.968.
Thus, the square root of 488 556 is not an integer, and therefore 488 556 is not a square number.
The square of a number (here 488 556) is the result of the product of this number (488 556) by itself (i.e., 488 556 × 488 556); the square of 488 556 is sometimes called "raising 488 556 to the power 2", or "488 556 squared".
The square of 488 556 is 238 686 965 136 because 488 556 × 488 556 = 488 5562 = 238 686 965 136.
As a consequence, 488 556 is the square root of 238 686 965 136.
The multiples of 488 556 are all integers evenly divisible by 488 556, that is all numbers such that the remainder of the division by 488 556 is zero. There are infinitely many multiples of 488 556. The smallest multiples of 488 556 are: