It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 388 635 004 is not a prime number.
For example, 388 635 004 can be divided by 2: 388 635 004 / 2 = 194 317 502.
For 388 635 004 to be a prime number, it would have been required that 388 635 004 has only two divisors, i.e., itself and 1.
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388 635 004 is an even number, because it is evenly divisible by 2: 388 635 004 / 2 = 194 317 502.
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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 388 635 004 is about 19 713.828.
Thus, the square root of 388 635 004 is not an integer, and therefore 388 635 004 is not a square number.
The square of a number (here 388 635 004) is the result of the product of this number (388 635 004) by itself (i.e., 388 635 004 × 388 635 004); the square of 388 635 004 is sometimes called "raising 388 635 004 to the power 2", or "388 635 004 squared".
The square of 388 635 004 is 151 037 166 334 080 000 because 388 635 004 × 388 635 004 = 388 635 0042 = 151 037 166 334 080 000.
As a consequence, 388 635 004 is the square root of 151 037 166 334 080 000.
388 635 004 is a number with 9 digits.
The multiples of 388 635 004 are all integers evenly divisible by 388 635 004, that is all numbers such that the remainder of the division by 388 635 004 is zero. There are infinitely many multiples of 388 635 004. The smallest multiples of 388 635 004 are: