It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 264 764 is not a prime number.
For example, 264 764 can be divided by 2: 264 764 / 2 = 132 382.
For 264 764 to be a prime number, it would have been required that 264 764 has only two divisors, i.e., itself and 1.
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264 764 is an even number, because it is evenly divisible by 2: 264 764 / 2 = 132 382.
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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 264 764 is about 514.552.
Thus, the square root of 264 764 is not an integer, and therefore 264 764 is not a square number.
The square of a number (here 264 764) is the result of the product of this number (264 764) by itself (i.e., 264 764 × 264 764); the square of 264 764 is sometimes called "raising 264 764 to the power 2", or "264 764 squared".
The square of 264 764 is 70 099 975 696 because 264 764 × 264 764 = 264 7642 = 70 099 975 696.
As a consequence, 264 764 is the square root of 70 099 975 696.
The multiples of 264 764 are all integers evenly divisible by 264 764, that is all numbers such that the remainder of the division by 264 764 is zero. There are infinitely many multiples of 264 764. The smallest multiples of 264 764 are: