It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 300 272 is not a prime number.
For example, 300 272 can be divided by 2: 300 272 / 2 = 150 136.
For 300 272 to be a prime number, it would have been required that 300 272 has only two divisors, i.e., itself and 1.
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300 272 is an even number, because it is evenly divisible by 2: 300 272 / 2 = 150 136.
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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 300 272 is about 547.971.
Thus, the square root of 300 272 is not an integer, and therefore 300 272 is not a square number.
The square of a number (here 300 272) is the result of the product of this number (300 272) by itself (i.e., 300 272 × 300 272); the square of 300 272 is sometimes called "raising 300 272 to the power 2", or "300 272 squared".
The square of 300 272 is 90 163 273 984 because 300 272 × 300 272 = 300 2722 = 90 163 273 984.
As a consequence, 300 272 is the square root of 90 163 273 984.
The multiples of 300 272 are all integers evenly divisible by 300 272, that is all numbers such that the remainder of the division by 300 272 is zero. There are infinitely many multiples of 300 272. The smallest multiples of 300 272 are: