It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 164 764 is not a prime number.
For example, 164 764 can be divided by 2: 164 764 / 2 = 82 382.
For 164 764 to be a prime number, it would have been required that 164 764 has only two divisors, i.e., itself and 1.
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164 764 is an even number, because it is evenly divisible by 2: 164 764 / 2 = 82 382.
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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 164 764 is about 405.911.
Thus, the square root of 164 764 is not an integer, and therefore 164 764 is not a square number.
The square of a number (here 164 764) is the result of the product of this number (164 764) by itself (i.e., 164 764 × 164 764); the square of 164 764 is sometimes called "raising 164 764 to the power 2", or "164 764 squared".
The square of 164 764 is 27 147 175 696 because 164 764 × 164 764 = 164 7642 = 27 147 175 696.
As a consequence, 164 764 is the square root of 27 147 175 696.
The multiples of 164 764 are all integers evenly divisible by 164 764, that is all numbers such that the remainder of the division by 164 764 is zero. There are infinitely many multiples of 164 764. The smallest multiples of 164 764 are: