It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 164 342 is not a prime number.
For example, 164 342 can be divided by 2: 164 342 / 2 = 82 171.
For 164 342 to be a prime number, it would have been required that 164 342 has only two divisors, i.e., itself and 1.
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164 342 is an even number, because it is evenly divisible by 2: 164 342 / 2 = 82 171.
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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 164 342 is about 405.391.
Thus, the square root of 164 342 is not an integer, and therefore 164 342 is not a square number.
The square of a number (here 164 342) is the result of the product of this number (164 342) by itself (i.e., 164 342 × 164 342); the square of 164 342 is sometimes called "raising 164 342 to the power 2", or "164 342 squared".
The square of 164 342 is 27 008 292 964 because 164 342 × 164 342 = 164 3422 = 27 008 292 964.
As a consequence, 164 342 is the square root of 27 008 292 964.
The multiples of 164 342 are all integers evenly divisible by 164 342, that is all numbers such that the remainder of the division by 164 342 is zero. There are infinitely many multiples of 164 342. The smallest multiples of 164 342 are: