It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 165 109 473 is not a prime number.
For example, 165 109 473 can be divided by 3: 165 109 473 / 3 = 55 036 491.
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For 165 109 473 to be a prime number, it would have been required that 165 109 473 has only two divisors, i.e., itself and 1.
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165 109 473 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 165 109 473 is about 12 849.493.
Thus, the square root of 165 109 473 is not an integer, and therefore 165 109 473 is not a square number.
The square of a number (here 165 109 473) is the result of the product of this number (165 109 473) by itself (i.e., 165 109 473 × 165 109 473); the square of 165 109 473 is sometimes called "raising 165 109 473 to the power 2", or "165 109 473 squared".
The square of 165 109 473 is 27 261 138 074 337 728 because 165 109 473 × 165 109 473 = 165 109 4732 = 27 261 138 074 337 728.
As a consequence, 165 109 473 is the square root of 27 261 138 074 337 728.
165 109 473 is a number with 9 digits.
The multiples of 165 109 473 are all integers evenly divisible by 165 109 473, that is all numbers such that the remainder of the division by 165 109 473 is zero. There are infinitely many multiples of 165 109 473. The smallest multiples of 165 109 473 are: