It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 42 008 082 is not a prime number.
For example, 42 008 082 can be divided by 2: 42 008 082 / 2 = 21 004 041.
For 42 008 082 to be a prime number, it would have been required that 42 008 082 has only two divisors, i.e., itself and 1.
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42 008 082 is an even number, because it is evenly divisible by 2: 42 008 082 / 2 = 21 004 041.
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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 42 008 082 is about 6 481.364.
Thus, the square root of 42 008 082 is not an integer, and therefore 42 008 082 is not a square number.
The square of a number (here 42 008 082) is the result of the product of this number (42 008 082) by itself (i.e., 42 008 082 × 42 008 082); the square of 42 008 082 is sometimes called "raising 42 008 082 to the power 2", or "42 008 082 squared".
The square of 42 008 082 is 1 764 678 953 318 724 because 42 008 082 × 42 008 082 = 42 008 0822 = 1 764 678 953 318 724.
As a consequence, 42 008 082 is the square root of 1 764 678 953 318 724.
42 008 082 is a number with 8 digits.
The multiples of 42 008 082 are all integers evenly divisible by 42 008 082, that is all numbers such that the remainder of the division by 42 008 082 is zero. There are infinitely many multiples of 42 008 082. The smallest multiples of 42 008 082 are: