It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 488 807 878 is not a prime number.
For example, 488 807 878 can be divided by 2: 488 807 878 / 2 = 244 403 939.
For 488 807 878 to be a prime number, it would have been required that 488 807 878 has only two divisors, i.e., itself and 1.
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488 807 878 is an even number, because it is evenly divisible by 2: 488 807 878 / 2 = 244 403 939.
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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 488 807 878 is about 22 109.000.
Thus, the square root of 488 807 878 is not an integer, and therefore 488 807 878 is not a square number.
The square of a number (here 488 807 878) is the result of the product of this number (488 807 878) by itself (i.e., 488 807 878 × 488 807 878); the square of 488 807 878 is sometimes called "raising 488 807 878 to the power 2", or "488 807 878 squared".
The square of 488 807 878 is 238 933 141 594 862 880 because 488 807 878 × 488 807 878 = 488 807 8782 = 238 933 141 594 862 880.
As a consequence, 488 807 878 is the square root of 238 933 141 594 862 880.
488 807 878 is a number with 9 digits.
The multiples of 488 807 878 are all integers evenly divisible by 488 807 878, that is all numbers such that the remainder of the division by 488 807 878 is zero. There are infinitely many multiples of 488 807 878. The smallest multiples of 488 807 878 are: