It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 267 696 is not a prime number.
For example, 267 696 can be divided by 2: 267 696 / 2 = 133 848.
For 267 696 to be a prime number, it would have been required that 267 696 has only two divisors, i.e., itself and 1.
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267 696 is an even number, because it is evenly divisible by 2: 267 696 / 2 = 133 848.
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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 267 696 is about 517.393.
Thus, the square root of 267 696 is not an integer, and therefore 267 696 is not a square number.
The square of a number (here 267 696) is the result of the product of this number (267 696) by itself (i.e., 267 696 × 267 696); the square of 267 696 is sometimes called "raising 267 696 to the power 2", or "267 696 squared".
The square of 267 696 is 71 661 148 416 because 267 696 × 267 696 = 267 6962 = 71 661 148 416.
As a consequence, 267 696 is the square root of 71 661 148 416.
The multiples of 267 696 are all integers evenly divisible by 267 696, that is all numbers such that the remainder of the division by 267 696 is zero. There are infinitely many multiples of 267 696. The smallest multiples of 267 696 are: