It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 389 742 004 is not a prime number.
For example, 389 742 004 can be divided by 2: 389 742 004 / 2 = 194 871 002.
For 389 742 004 to be a prime number, it would have been required that 389 742 004 has only two divisors, i.e., itself and 1.
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389 742 004 is an even number, because it is evenly divisible by 2: 389 742 004 / 2 = 194 871 002.
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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 389 742 004 is about 19 741.885.
Thus, the square root of 389 742 004 is not an integer, and therefore 389 742 004 is not a square number.
The square of a number (here 389 742 004) is the result of the product of this number (389 742 004) by itself (i.e., 389 742 004 × 389 742 004); the square of 389 742 004 is sometimes called "raising 389 742 004 to the power 2", or "389 742 004 squared".
The square of 389 742 004 is 151 898 829 681 936 000 because 389 742 004 × 389 742 004 = 389 742 0042 = 151 898 829 681 936 000.
As a consequence, 389 742 004 is the square root of 151 898 829 681 936 000.
389 742 004 is a number with 9 digits.
The multiples of 389 742 004 are all integers evenly divisible by 389 742 004, that is all numbers such that the remainder of the division by 389 742 004 is zero. There are infinitely many multiples of 389 742 004. The smallest multiples of 389 742 004 are: