It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 130 261 608 is not a prime number.
For example, 130 261 608 can be divided by 2: 130 261 608 / 2 = 65 130 804.
For 130 261 608 to be a prime number, it would have been required that 130 261 608 has only two divisors, i.e., itself and 1.
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130 261 608 is an even number, because it is evenly divisible by 2: 130 261 608 / 2 = 65 130 804.
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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 130 261 608 is about 11 413.221.
Thus, the square root of 130 261 608 is not an integer, and therefore 130 261 608 is not a square number.
The square of a number (here 130 261 608) is the result of the product of this number (130 261 608) by itself (i.e., 130 261 608 × 130 261 608); the square of 130 261 608 is sometimes called "raising 130 261 608 to the power 2", or "130 261 608 squared".
The square of 130 261 608 is 16 968 086 518 745 664 because 130 261 608 × 130 261 608 = 130 261 6082 = 16 968 086 518 745 664.
As a consequence, 130 261 608 is the square root of 16 968 086 518 745 664.
130 261 608 is a number with 9 digits.
The multiples of 130 261 608 are all integers evenly divisible by 130 261 608, that is all numbers such that the remainder of the division by 130 261 608 is zero. There are infinitely many multiples of 130 261 608. The smallest multiples of 130 261 608 are: