It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 708 016 is not a prime number.
For example, 708 016 can be divided by 2: 708 016 / 2 = 354 008.
For 708 016 to be a prime number, it would have been required that 708 016 has only two divisors, i.e., itself and 1.
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708 016 is an even number, because it is evenly divisible by 2: 708 016 / 2 = 354 008.
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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 708 016 is about 841.437.
Thus, the square root of 708 016 is not an integer, and therefore 708 016 is not a square number.
The square of a number (here 708 016) is the result of the product of this number (708 016) by itself (i.e., 708 016 × 708 016); the square of 708 016 is sometimes called "raising 708 016 to the power 2", or "708 016 squared".
The square of 708 016 is 501 286 656 256 because 708 016 × 708 016 = 708 0162 = 501 286 656 256.
As a consequence, 708 016 is the square root of 501 286 656 256.
The multiples of 708 016 are all integers evenly divisible by 708 016, that is all numbers such that the remainder of the division by 708 016 is zero. There are infinitely many multiples of 708 016. The smallest multiples of 708 016 are: