It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 708 616 is not a prime number.
For example, 708 616 can be divided by 2: 708 616 / 2 = 354 308.
For 708 616 to be a prime number, it would have been required that 708 616 has only two divisors, i.e., itself and 1.
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708 616 is an even number, because it is evenly divisible by 2: 708 616 / 2 = 354 308.
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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 708 616 is about 841.793.
Thus, the square root of 708 616 is not an integer, and therefore 708 616 is not a square number.
The square of a number (here 708 616) is the result of the product of this number (708 616) by itself (i.e., 708 616 × 708 616); the square of 708 616 is sometimes called "raising 708 616 to the power 2", or "708 616 squared".
The square of 708 616 is 502 136 635 456 because 708 616 × 708 616 = 708 6162 = 502 136 635 456.
As a consequence, 708 616 is the square root of 502 136 635 456.
The multiples of 708 616 are all integers evenly divisible by 708 616, that is all numbers such that the remainder of the division by 708 616 is zero. There are infinitely many multiples of 708 616. The smallest multiples of 708 616 are: