It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 42 588 674 is not a prime number.
For example, 42 588 674 can be divided by 2: 42 588 674 / 2 = 21 294 337.
For 42 588 674 to be a prime number, it would have been required that 42 588 674 has only two divisors, i.e., itself and 1.
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42 588 674 is an even number, because it is evenly divisible by 2: 42 588 674 / 2 = 21 294 337.
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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 42 588 674 is about 6 526.000.
Thus, the square root of 42 588 674 is not an integer, and therefore 42 588 674 is not a square number.
The square of a number (here 42 588 674) is the result of the product of this number (42 588 674) by itself (i.e., 42 588 674 × 42 588 674); the square of 42 588 674 is sometimes called "raising 42 588 674 to the power 2", or "42 588 674 squared".
The square of 42 588 674 is 1 813 795 153 078 276 because 42 588 674 × 42 588 674 = 42 588 6742 = 1 813 795 153 078 276.
As a consequence, 42 588 674 is the square root of 1 813 795 153 078 276.
42 588 674 is a number with 8 digits.
The multiples of 42 588 674 are all integers evenly divisible by 42 588 674, that is all numbers such that the remainder of the division by 42 588 674 is zero. There are infinitely many multiples of 42 588 674. The smallest multiples of 42 588 674 are: