It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 144 729 is not a prime number.
For example, 144 729 can be divided by 3: 144 729 / 3 = 48 243.
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For 144 729 to be a prime number, it would have been required that 144 729 has only two divisors, i.e., itself and 1.
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144 729 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 144 729 is about 380.433.
Thus, the square root of 144 729 is not an integer, and therefore 144 729 is not a square number.
The square of a number (here 144 729) is the result of the product of this number (144 729) by itself (i.e., 144 729 × 144 729); the square of 144 729 is sometimes called "raising 144 729 to the power 2", or "144 729 squared".
The square of 144 729 is 20 946 483 441 because 144 729 × 144 729 = 144 7292 = 20 946 483 441.
As a consequence, 144 729 is the square root of 20 946 483 441.
The multiples of 144 729 are all integers evenly divisible by 144 729, that is all numbers such that the remainder of the division by 144 729 is zero. There are infinitely many multiples of 144 729. The smallest multiples of 144 729 are: