It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 488 918 is not a prime number.
For example, 488 918 can be divided by 2: 488 918 / 2 = 244 459.
For 488 918 to be a prime number, it would have been required that 488 918 has only two divisors, i.e., itself and 1.
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488 918 is an even number, because it is evenly divisible by 2: 488 918 / 2 = 244 459.
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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 488 918 is about 699.227.
Thus, the square root of 488 918 is not an integer, and therefore 488 918 is not a square number.
The square of a number (here 488 918) is the result of the product of this number (488 918) by itself (i.e., 488 918 × 488 918); the square of 488 918 is sometimes called "raising 488 918 to the power 2", or "488 918 squared".
The square of 488 918 is 239 040 810 724 because 488 918 × 488 918 = 488 9182 = 239 040 810 724.
As a consequence, 488 918 is the square root of 239 040 810 724.
The multiples of 488 918 are all integers evenly divisible by 488 918, that is all numbers such that the remainder of the division by 488 918 is zero. There are infinitely many multiples of 488 918. The smallest multiples of 488 918 are: