It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 130 508 278 is not a prime number.
For example, 130 508 278 can be divided by 2: 130 508 278 / 2 = 65 254 139.
For 130 508 278 to be a prime number, it would have been required that 130 508 278 has only two divisors, i.e., itself and 1.
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130 508 278 is an even number, because it is evenly divisible by 2: 130 508 278 / 2 = 65 254 139.
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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 130 508 278 is about 11 424.022.
Thus, the square root of 130 508 278 is not an integer, and therefore 130 508 278 is not a square number.
The square of a number (here 130 508 278) is the result of the product of this number (130 508 278) by itself (i.e., 130 508 278 × 130 508 278); the square of 130 508 278 is sometimes called "raising 130 508 278 to the power 2", or "130 508 278 squared".
The square of 130 508 278 is 17 032 410 626 525 284 because 130 508 278 × 130 508 278 = 130 508 2782 = 17 032 410 626 525 284.
As a consequence, 130 508 278 is the square root of 17 032 410 626 525 284.
130 508 278 is a number with 9 digits.
The multiples of 130 508 278 are all integers evenly divisible by 130 508 278, that is all numbers such that the remainder of the division by 130 508 278 is zero. There are infinitely many multiples of 130 508 278. The smallest multiples of 130 508 278 are: