It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 130 442 478 is not a prime number.
For example, 130 442 478 can be divided by 2: 130 442 478 / 2 = 65 221 239.
For 130 442 478 to be a prime number, it would have been required that 130 442 478 has only two divisors, i.e., itself and 1.
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130 442 478 is an even number, because it is evenly divisible by 2: 130 442 478 / 2 = 65 221 239.
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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 130 442 478 is about 11 421.142.
Thus, the square root of 130 442 478 is not an integer, and therefore 130 442 478 is not a square number.
The square of a number (here 130 442 478) is the result of the product of this number (130 442 478) by itself (i.e., 130 442 478 × 130 442 478); the square of 130 442 478 is sometimes called "raising 130 442 478 to the power 2", or "130 442 478 squared".
The square of 130 442 478 is 17 015 240 066 780 484 because 130 442 478 × 130 442 478 = 130 442 4782 = 17 015 240 066 780 484.
As a consequence, 130 442 478 is the square root of 17 015 240 066 780 484.
130 442 478 is a number with 9 digits.
The multiples of 130 442 478 are all integers evenly divisible by 130 442 478, that is all numbers such that the remainder of the division by 130 442 478 is zero. There are infinitely many multiples of 130 442 478. The smallest multiples of 130 442 478 are: