It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 300 090 674 is not a prime number.
For example, 300 090 674 can be divided by 2: 300 090 674 / 2 = 150 045 337.
For 300 090 674 to be a prime number, it would have been required that 300 090 674 has only two divisors, i.e., itself and 1.
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300 090 674 is an even number, because it is evenly divisible by 2: 300 090 674 / 2 = 150 045 337.
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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 300 090 674 is about 17 323.125.
Thus, the square root of 300 090 674 is not an integer, and therefore 300 090 674 is not a square number.
The square of a number (here 300 090 674) is the result of the product of this number (300 090 674) by itself (i.e., 300 090 674 × 300 090 674); the square of 300 090 674 is sometimes called "raising 300 090 674 to the power 2", or "300 090 674 squared".
The square of 300 090 674 is 90 054 412 621 774 272 because 300 090 674 × 300 090 674 = 300 090 6742 = 90 054 412 621 774 272.
As a consequence, 300 090 674 is the square root of 90 054 412 621 774 272.
300 090 674 is a number with 9 digits.
The multiples of 300 090 674 are all integers evenly divisible by 300 090 674, that is all numbers such that the remainder of the division by 300 090 674 is zero. There are infinitely many multiples of 300 090 674. The smallest multiples of 300 090 674 are: