It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 42 825 009 is not a prime number.
For example, 42 825 009 can be divided by 3: 42 825 009 / 3 = 14 275 003.
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For 42 825 009 to be a prime number, it would have been required that 42 825 009 has only two divisors, i.e., itself and 1.
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42 825 009 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 42 825 009 is about 6 544.082.
Thus, the square root of 42 825 009 is not an integer, and therefore 42 825 009 is not a square number.
The square of a number (here 42 825 009) is the result of the product of this number (42 825 009) by itself (i.e., 42 825 009 × 42 825 009); the square of 42 825 009 is sometimes called "raising 42 825 009 to the power 2", or "42 825 009 squared".
The square of 42 825 009 is 1 833 981 395 850 081 because 42 825 009 × 42 825 009 = 42 825 0092 = 1 833 981 395 850 081.
As a consequence, 42 825 009 is the square root of 1 833 981 395 850 081.
42 825 009 is a number with 8 digits.
The multiples of 42 825 009 are all integers evenly divisible by 42 825 009, that is all numbers such that the remainder of the division by 42 825 009 is zero. There are infinitely many multiples of 42 825 009. The smallest multiples of 42 825 009 are: