It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 42 120 027 is not a prime number.
For example, 42 120 027 can be divided by 3: 42 120 027 / 3 = 14 040 009.
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For 42 120 027 to be a prime number, it would have been required that 42 120 027 has only two divisors, i.e., itself and 1.
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42 120 027 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 42 120 027 is about 6 489.994.
Thus, the square root of 42 120 027 is not an integer, and therefore 42 120 027 is not a square number.
The square of a number (here 42 120 027) is the result of the product of this number (42 120 027) by itself (i.e., 42 120 027 × 42 120 027); the square of 42 120 027 is sometimes called "raising 42 120 027 to the power 2", or "42 120 027 squared".
The square of 42 120 027 is 1 774 096 674 480 729 because 42 120 027 × 42 120 027 = 42 120 0272 = 1 774 096 674 480 729.
As a consequence, 42 120 027 is the square root of 1 774 096 674 480 729.
42 120 027 is a number with 8 digits.
The multiples of 42 120 027 are all integers evenly divisible by 42 120 027, that is all numbers such that the remainder of the division by 42 120 027 is zero. There are infinitely many multiples of 42 120 027. The smallest multiples of 42 120 027 are: