It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 708 564 is not a prime number.
For example, 708 564 can be divided by 2: 708 564 / 2 = 354 282.
For 708 564 to be a prime number, it would have been required that 708 564 has only two divisors, i.e., itself and 1.
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708 564 is an even number, because it is evenly divisible by 2: 708 564 / 2 = 354 282.
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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 708 564 is about 841.762.
Thus, the square root of 708 564 is not an integer, and therefore 708 564 is not a square number.
The square of a number (here 708 564) is the result of the product of this number (708 564) by itself (i.e., 708 564 × 708 564); the square of 708 564 is sometimes called "raising 708 564 to the power 2", or "708 564 squared".
The square of 708 564 is 502 062 942 096 because 708 564 × 708 564 = 708 5642 = 502 062 942 096.
As a consequence, 708 564 is the square root of 502 062 942 096.
The multiples of 708 564 are all integers evenly divisible by 708 564, that is all numbers such that the remainder of the division by 708 564 is zero. There are infinitely many multiples of 708 564. The smallest multiples of 708 564 are: