It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 165 134 is not a prime number.
For example, 165 134 can be divided by 2: 165 134 / 2 = 82 567.
For 165 134 to be a prime number, it would have been required that 165 134 has only two divisors, i.e., itself and 1.
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165 134 is an even number, because it is evenly divisible by 2: 165 134 / 2 = 82 567.
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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 165 134 is about 406.367.
Thus, the square root of 165 134 is not an integer, and therefore 165 134 is not a square number.
The square of a number (here 165 134) is the result of the product of this number (165 134) by itself (i.e., 165 134 × 165 134); the square of 165 134 is sometimes called "raising 165 134 to the power 2", or "165 134 squared".
The square of 165 134 is 27 269 237 956 because 165 134 × 165 134 = 165 1342 = 27 269 237 956.
As a consequence, 165 134 is the square root of 27 269 237 956.
The multiples of 165 134 are all integers evenly divisible by 165 134, that is all numbers such that the remainder of the division by 165 134 is zero. There are infinitely many multiples of 165 134. The smallest multiples of 165 134 are: