It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 42 250 012 is not a prime number.
For example, 42 250 012 can be divided by 2: 42 250 012 / 2 = 21 125 006.
For 42 250 012 to be a prime number, it would have been required that 42 250 012 has only two divisors, i.e., itself and 1.
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42 250 012 is an even number, because it is evenly divisible by 2: 42 250 012 / 2 = 21 125 006.
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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 42 250 012 is about 6 500.001.
Thus, the square root of 42 250 012 is not an integer, and therefore 42 250 012 is not a square number.
The square of a number (here 42 250 012) is the result of the product of this number (42 250 012) by itself (i.e., 42 250 012 × 42 250 012); the square of 42 250 012 is sometimes called "raising 42 250 012 to the power 2", or "42 250 012 squared".
The square of 42 250 012 is 1 785 063 514 000 144 because 42 250 012 × 42 250 012 = 42 250 0122 = 1 785 063 514 000 144.
As a consequence, 42 250 012 is the square root of 1 785 063 514 000 144.
42 250 012 is a number with 8 digits.
The multiples of 42 250 012 are all integers evenly divisible by 42 250 012, that is all numbers such that the remainder of the division by 42 250 012 is zero. There are infinitely many multiples of 42 250 012. The smallest multiples of 42 250 012 are: