It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 164 749 is not a prime number.
For example, 164 749 can be divided by 13: 164 749 / 13 = 12 673.
For 164 749 to be a prime number, it would have been required that 164 749 has only two divisors, i.e., itself and 1.
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164 749 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 164 749 is about 405.893.
Thus, the square root of 164 749 is not an integer, and therefore 164 749 is not a square number.
The square of a number (here 164 749) is the result of the product of this number (164 749) by itself (i.e., 164 749 × 164 749); the square of 164 749 is sometimes called "raising 164 749 to the power 2", or "164 749 squared".
The square of 164 749 is 27 142 233 001 because 164 749 × 164 749 = 164 7492 = 27 142 233 001.
As a consequence, 164 749 is the square root of 27 142 233 001.
The multiples of 164 749 are all integers evenly divisible by 164 749, that is all numbers such that the remainder of the division by 164 749 is zero. There are infinitely many multiples of 164 749. The smallest multiples of 164 749 are: