It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 75 500 842 is not a prime number.
For example, 75 500 842 can be divided by 2: 75 500 842 / 2 = 37 750 421.
For 75 500 842 to be a prime number, it would have been required that 75 500 842 has only two divisors, i.e., itself and 1.
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75 500 842 is an even number, because it is evenly divisible by 2: 75 500 842 / 2 = 37 750 421.
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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 75 500 842 is about 8 689.122.
Thus, the square root of 75 500 842 is not an integer, and therefore 75 500 842 is not a square number.
The square of a number (here 75 500 842) is the result of the product of this number (75 500 842) by itself (i.e., 75 500 842 × 75 500 842); the square of 75 500 842 is sometimes called "raising 75 500 842 to the power 2", or "75 500 842 squared".
The square of 75 500 842 is 5 700 377 142 708 964 because 75 500 842 × 75 500 842 = 75 500 8422 = 5 700 377 142 708 964.
As a consequence, 75 500 842 is the square root of 5 700 377 142 708 964.
75 500 842 is a number with 8 digits.
The multiples of 75 500 842 are all integers evenly divisible by 75 500 842, that is all numbers such that the remainder of the division by 75 500 842 is zero. There are infinitely many multiples of 75 500 842. The smallest multiples of 75 500 842 are: