It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 264 308 is not a prime number.
For example, 264 308 can be divided by 2: 264 308 / 2 = 132 154.
For 264 308 to be a prime number, it would have been required that 264 308 has only two divisors, i.e., itself and 1.
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264 308 is an even number, because it is evenly divisible by 2: 264 308 / 2 = 132 154.
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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 264 308 is about 514.109.
Thus, the square root of 264 308 is not an integer, and therefore 264 308 is not a square number.
The square of a number (here 264 308) is the result of the product of this number (264 308) by itself (i.e., 264 308 × 264 308); the square of 264 308 is sometimes called "raising 264 308 to the power 2", or "264 308 squared".
The square of 264 308 is 69 858 718 864 because 264 308 × 264 308 = 264 3082 = 69 858 718 864.
As a consequence, 264 308 is the square root of 69 858 718 864.
The multiples of 264 308 are all integers evenly divisible by 264 308, that is all numbers such that the remainder of the division by 264 308 is zero. There are infinitely many multiples of 264 308. The smallest multiples of 264 308 are: