It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 267 707 is not a prime number.
For example, 267 707 can be divided by 11: 267 707 / 11 = 24 337.
For 267 707 to be a prime number, it would have been required that 267 707 has only two divisors, i.e., itself and 1.
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267 707 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 267 707 is about 517.404.
Thus, the square root of 267 707 is not an integer, and therefore 267 707 is not a square number.
The square of a number (here 267 707) is the result of the product of this number (267 707) by itself (i.e., 267 707 × 267 707); the square of 267 707 is sometimes called "raising 267 707 to the power 2", or "267 707 squared".
The square of 267 707 is 71 667 037 849 because 267 707 × 267 707 = 267 7072 = 71 667 037 849.
As a consequence, 267 707 is the square root of 71 667 037 849.
The multiples of 267 707 are all integers evenly divisible by 267 707, that is all numbers such that the remainder of the division by 267 707 is zero. There are infinitely many multiples of 267 707. The smallest multiples of 267 707 are: