It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 42 404 002 is not a prime number.
For example, 42 404 002 can be divided by 2: 42 404 002 / 2 = 21 202 001.
For 42 404 002 to be a prime number, it would have been required that 42 404 002 has only two divisors, i.e., itself and 1.
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42 404 002 is an even number, because it is evenly divisible by 2: 42 404 002 / 2 = 21 202 001.
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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 42 404 002 is about 6 511.836.
Thus, the square root of 42 404 002 is not an integer, and therefore 42 404 002 is not a square number.
The square of a number (here 42 404 002) is the result of the product of this number (42 404 002) by itself (i.e., 42 404 002 × 42 404 002); the square of 42 404 002 is sometimes called "raising 42 404 002 to the power 2", or "42 404 002 squared".
The square of 42 404 002 is 1 798 099 385 616 004 because 42 404 002 × 42 404 002 = 42 404 0022 = 1 798 099 385 616 004.
As a consequence, 42 404 002 is the square root of 1 798 099 385 616 004.
42 404 002 is a number with 8 digits.
The multiples of 42 404 002 are all integers evenly divisible by 42 404 002, that is all numbers such that the remainder of the division by 42 404 002 is zero. There are infinitely many multiples of 42 404 002. The smallest multiples of 42 404 002 are: