It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 800 704 is not a prime number.
For example, 800 704 can be divided by 2: 800 704 / 2 = 400 352.
For 800 704 to be a prime number, it would have been required that 800 704 has only two divisors, i.e., itself and 1.
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800 704 is an even number, because it is evenly divisible by 2: 800 704 / 2 = 400 352.
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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 800 704 is about 894.821.
Thus, the square root of 800 704 is not an integer, and therefore 800 704 is not a square number.
The square of a number (here 800 704) is the result of the product of this number (800 704) by itself (i.e., 800 704 × 800 704); the square of 800 704 is sometimes called "raising 800 704 to the power 2", or "800 704 squared".
The square of 800 704 is 641 126 895 616 because 800 704 × 800 704 = 800 7042 = 641 126 895 616.
As a consequence, 800 704 is the square root of 641 126 895 616.
The multiples of 800 704 are all integers evenly divisible by 800 704, that is all numbers such that the remainder of the division by 800 704 is zero. There are infinitely many multiples of 800 704. The smallest multiples of 800 704 are: