It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 27 018 001 is not a prime number.
For example, 27 018 001 can be divided by 5 021: 27 018 001 / 5021 = 5 381.
For 27 018 001 to be a prime number, it would have been required that 27 018 001 has only two divisors, i.e., itself and 1.
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27 018 001 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 27 018 001 is about 5 197.884.
Thus, the square root of 27 018 001 is not an integer, and therefore 27 018 001 is not a square number.
The square of a number (here 27 018 001) is the result of the product of this number (27 018 001) by itself (i.e., 27 018 001 × 27 018 001); the square of 27 018 001 is sometimes called "raising 27 018 001 to the power 2", or "27 018 001 squared".
The square of 27 018 001 is 729 972 378 036 001 because 27 018 001 × 27 018 001 = 27 018 0012 = 729 972 378 036 001.
As a consequence, 27 018 001 is the square root of 729 972 378 036 001.
27 018 001 is a number with 8 digits.
The multiples of 27 018 001 are all integers evenly divisible by 27 018 001, that is all numbers such that the remainder of the division by 27 018 001 is zero. There are infinitely many multiples of 27 018 001. The smallest multiples of 27 018 001 are: