It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 264 729 is not a prime number.
For example, 264 729 can be divided by 3: 264 729 / 3 = 88 243.
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For 264 729 to be a prime number, it would have been required that 264 729 has only two divisors, i.e., itself and 1.
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264 729 is an odd number, because it is not evenly divisible by 2.
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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 264 729 is about 514.518.
Thus, the square root of 264 729 is not an integer, and therefore 264 729 is not a square number.
The square of a number (here 264 729) is the result of the product of this number (264 729) by itself (i.e., 264 729 × 264 729); the square of 264 729 is sometimes called "raising 264 729 to the power 2", or "264 729 squared".
The square of 264 729 is 70 081 443 441 because 264 729 × 264 729 = 264 7292 = 70 081 443 441.
As a consequence, 264 729 is the square root of 70 081 443 441.
The multiples of 264 729 are all integers evenly divisible by 264 729, that is all numbers such that the remainder of the division by 264 729 is zero. There are infinitely many multiples of 264 729. The smallest multiples of 264 729 are: