It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 130 488 678 is not a prime number.
For example, 130 488 678 can be divided by 2: 130 488 678 / 2 = 65 244 339.
For 130 488 678 to be a prime number, it would have been required that 130 488 678 has only two divisors, i.e., itself and 1.
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130 488 678 is an even number, because it is evenly divisible by 2: 130 488 678 / 2 = 65 244 339.
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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 130 488 678 is about 11 423.164.
Thus, the square root of 130 488 678 is not an integer, and therefore 130 488 678 is not a square number.
The square of a number (here 130 488 678) is the result of the product of this number (130 488 678) by itself (i.e., 130 488 678 × 130 488 678); the square of 130 488 678 is sometimes called "raising 130 488 678 to the power 2", or "130 488 678 squared".
The square of 130 488 678 is 17 027 295 086 187 684 because 130 488 678 × 130 488 678 = 130 488 6782 = 17 027 295 086 187 684.
As a consequence, 130 488 678 is the square root of 17 027 295 086 187 684.
130 488 678 is a number with 9 digits.
The multiples of 130 488 678 are all integers evenly divisible by 130 488 678, that is all numbers such that the remainder of the division by 130 488 678 is zero. There are infinitely many multiples of 130 488 678. The smallest multiples of 130 488 678 are: