It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 130 996 978 is not a prime number.
For example, 130 996 978 can be divided by 2: 130 996 978 / 2 = 65 498 489.
For 130 996 978 to be a prime number, it would have been required that 130 996 978 has only two divisors, i.e., itself and 1.
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130 996 978 is an even number, because it is evenly divisible by 2: 130 996 978 / 2 = 65 498 489.
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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 130 996 978 is about 11 445.391.
Thus, the square root of 130 996 978 is not an integer, and therefore 130 996 978 is not a square number.
The square of a number (here 130 996 978) is the result of the product of this number (130 996 978) by itself (i.e., 130 996 978 × 130 996 978); the square of 130 996 978 is sometimes called "raising 130 996 978 to the power 2", or "130 996 978 squared".
The square of 130 996 978 is 17 160 208 245 132 484 because 130 996 978 × 130 996 978 = 130 996 9782 = 17 160 208 245 132 484.
As a consequence, 130 996 978 is the square root of 17 160 208 245 132 484.
130 996 978 is a number with 9 digits.
The multiples of 130 996 978 are all integers evenly divisible by 130 996 978, that is all numbers such that the remainder of the division by 130 996 978 is zero. There are infinitely many multiples of 130 996 978. The smallest multiples of 130 996 978 are: