It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 488 554 478 is not a prime number.
For example, 488 554 478 can be divided by 2: 488 554 478 / 2 = 244 277 239.
For 488 554 478 to be a prime number, it would have been required that 488 554 478 has only two divisors, i.e., itself and 1.
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488 554 478 is an even number, because it is evenly divisible by 2: 488 554 478 / 2 = 244 277 239.
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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 488 554 478 is about 22 103.268.
Thus, the square root of 488 554 478 is not an integer, and therefore 488 554 478 is not a square number.
The square of a number (here 488 554 478) is the result of the product of this number (488 554 478) by itself (i.e., 488 554 478 × 488 554 478); the square of 488 554 478 is sometimes called "raising 488 554 478 to the power 2", or "488 554 478 squared".
The square of 488 554 478 is 238 685 477 973 852 480 because 488 554 478 × 488 554 478 = 488 554 4782 = 238 685 477 973 852 480.
As a consequence, 488 554 478 is the square root of 238 685 477 973 852 480.
488 554 478 is a number with 9 digits.
The multiples of 488 554 478 are all integers evenly divisible by 488 554 478, that is all numbers such that the remainder of the division by 488 554 478 is zero. There are infinitely many multiples of 488 554 478. The smallest multiples of 488 554 478 are: