It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 268 169 is not a prime number.
For example, 268 169 can be divided by 11: 268 169 / 11 = 24 379.
For 268 169 to be a prime number, it would have been required that 268 169 has only two divisors, i.e., itself and 1.
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268 169 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 268 169 is about 517.850.
Thus, the square root of 268 169 is not an integer, and therefore 268 169 is not a square number.
The square of a number (here 268 169) is the result of the product of this number (268 169) by itself (i.e., 268 169 × 268 169); the square of 268 169 is sometimes called "raising 268 169 to the power 2", or "268 169 squared".
The square of 268 169 is 71 914 612 561 because 268 169 × 268 169 = 268 1692 = 71 914 612 561.
As a consequence, 268 169 is the square root of 71 914 612 561.
The multiples of 268 169 are all integers evenly divisible by 268 169, that is all numbers such that the remainder of the division by 268 169 is zero. There are infinitely many multiples of 268 169. The smallest multiples of 268 169 are: