It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 164 025 009 is not a prime number.
For example, 164 025 009 can be divided by 3: 164 025 009 / 3 = 54 675 003.
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For 164 025 009 to be a prime number, it would have been required that 164 025 009 has only two divisors, i.e., itself and 1.
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164 025 009 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 164 025 009 is about 12 807.225.
Thus, the square root of 164 025 009 is not an integer, and therefore 164 025 009 is not a square number.
The square of a number (here 164 025 009) is the result of the product of this number (164 025 009) by itself (i.e., 164 025 009 × 164 025 009); the square of 164 025 009 is sometimes called "raising 164 025 009 to the power 2", or "164 025 009 squared".
The square of 164 025 009 is 26 904 203 577 450 080 because 164 025 009 × 164 025 009 = 164 025 0092 = 26 904 203 577 450 080.
As a consequence, 164 025 009 is the square root of 26 904 203 577 450 080.
164 025 009 is a number with 9 digits.
The multiples of 164 025 009 are all integers evenly divisible by 164 025 009, that is all numbers such that the remainder of the division by 164 025 009 is zero. There are infinitely many multiples of 164 025 009. The smallest multiples of 164 025 009 are: