It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 488 366 is not a prime number.
For example, 488 366 can be divided by 2: 488 366 / 2 = 244 183.
For 488 366 to be a prime number, it would have been required that 488 366 has only two divisors, i.e., itself and 1.
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488 366 is an even number, because it is evenly divisible by 2: 488 366 / 2 = 244 183.
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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 488 366 is about 698.832.
Thus, the square root of 488 366 is not an integer, and therefore 488 366 is not a square number.
The square of a number (here 488 366) is the result of the product of this number (488 366) by itself (i.e., 488 366 × 488 366); the square of 488 366 is sometimes called "raising 488 366 to the power 2", or "488 366 squared".
The square of 488 366 is 238 501 349 956 because 488 366 × 488 366 = 488 3662 = 238 501 349 956.
As a consequence, 488 366 is the square root of 238 501 349 956.
The multiples of 488 366 are all integers evenly divisible by 488 366, that is all numbers such that the remainder of the division by 488 366 is zero. There are infinitely many multiples of 488 366. The smallest multiples of 488 366 are: