It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 300 020 108 is not a prime number.
For example, 300 020 108 can be divided by 2: 300 020 108 / 2 = 150 010 054.
For 300 020 108 to be a prime number, it would have been required that 300 020 108 has only two divisors, i.e., itself and 1.
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300 020 108 is an even number, because it is evenly divisible by 2: 300 020 108 / 2 = 150 010 054.
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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 300 020 108 is about 17 321.089.
Thus, the square root of 300 020 108 is not an integer, and therefore 300 020 108 is not a square number.
The square of a number (here 300 020 108) is the result of the product of this number (300 020 108) by itself (i.e., 300 020 108 × 300 020 108); the square of 300 020 108 is sometimes called "raising 300 020 108 to the power 2", or "300 020 108 squared".
The square of 300 020 108 is 90 012 065 204 331 664 because 300 020 108 × 300 020 108 = 300 020 1082 = 90 012 065 204 331 664.
As a consequence, 300 020 108 is the square root of 90 012 065 204 331 664.
300 020 108 is a number with 9 digits.
The multiples of 300 020 108 are all integers evenly divisible by 300 020 108, that is all numbers such that the remainder of the division by 300 020 108 is zero. There are infinitely many multiples of 300 020 108. The smallest multiples of 300 020 108 are: