It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 27 163 is not a prime number.
For example, 27 163 can be divided by 23: 27 163 / 23 = 1 181.
For 27 163 to be a prime number, it would have been required that 27 163 has only two divisors, i.e., itself and 1.
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27 163 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 27 163 is about 164.812.
Thus, the square root of 27 163 is not an integer, and therefore 27 163 is not a square number.
The square of a number (here 27 163) is the result of the product of this number (27 163) by itself (i.e., 27 163 × 27 163); the square of 27 163 is sometimes called "raising 27 163 to the power 2", or "27 163 squared".
The square of 27 163 is 737 828 569 because 27 163 × 27 163 = 27 1632 = 737 828 569.
As a consequence, 27 163 is the square root of 737 828 569.
The multiples of 27 163 are all integers evenly divisible by 27 163, that is all numbers such that the remainder of the division by 27 163 is zero. There are infinitely many multiples of 27 163. The smallest multiples of 27 163 are: