It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 488 266 is not a prime number.
For example, 488 266 can be divided by 2: 488 266 / 2 = 244 133.
For 488 266 to be a prime number, it would have been required that 488 266 has only two divisors, i.e., itself and 1.
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488 266 is an even number, because it is evenly divisible by 2: 488 266 / 2 = 244 133.
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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 488 266 is about 698.760.
Thus, the square root of 488 266 is not an integer, and therefore 488 266 is not a square number.
The square of a number (here 488 266) is the result of the product of this number (488 266) by itself (i.e., 488 266 × 488 266); the square of 488 266 is sometimes called "raising 488 266 to the power 2", or "488 266 squared".
The square of 488 266 is 238 403 686 756 because 488 266 × 488 266 = 488 2662 = 238 403 686 756.
As a consequence, 488 266 is the square root of 238 403 686 756.
The multiples of 488 266 are all integers evenly divisible by 488 266, that is all numbers such that the remainder of the division by 488 266 is zero. There are infinitely many multiples of 488 266. The smallest multiples of 488 266 are: