It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 264 268 is not a prime number.
For example, 264 268 can be divided by 2: 264 268 / 2 = 132 134.
For 264 268 to be a prime number, it would have been required that 264 268 has only two divisors, i.e., itself and 1.
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264 268 is an even number, because it is evenly divisible by 2: 264 268 / 2 = 132 134.
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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 264 268 is about 514.070.
Thus, the square root of 264 268 is not an integer, and therefore 264 268 is not a square number.
The square of a number (here 264 268) is the result of the product of this number (264 268) by itself (i.e., 264 268 × 264 268); the square of 264 268 is sometimes called "raising 264 268 to the power 2", or "264 268 squared".
The square of 264 268 is 69 837 575 824 because 264 268 × 264 268 = 264 2682 = 69 837 575 824.
As a consequence, 264 268 is the square root of 69 837 575 824.
The multiples of 264 268 are all integers evenly divisible by 264 268, that is all numbers such that the remainder of the division by 264 268 is zero. There are infinitely many multiples of 264 268. The smallest multiples of 264 268 are: