It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 164 427 is not a prime number.
For example, 164 427 can be divided by 3: 164 427 / 3 = 54 809.
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For 164 427 to be a prime number, it would have been required that 164 427 has only two divisors, i.e., itself and 1.
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164 427 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 164 427 is about 405.496.
Thus, the square root of 164 427 is not an integer, and therefore 164 427 is not a square number.
The square of a number (here 164 427) is the result of the product of this number (164 427) by itself (i.e., 164 427 × 164 427); the square of 164 427 is sometimes called "raising 164 427 to the power 2", or "164 427 squared".
The square of 164 427 is 27 036 238 329 because 164 427 × 164 427 = 164 4272 = 27 036 238 329.
As a consequence, 164 427 is the square root of 27 036 238 329.
The multiples of 164 427 are all integers evenly divisible by 164 427, that is all numbers such that the remainder of the division by 164 427 is zero. There are infinitely many multiples of 164 427. The smallest multiples of 164 427 are: