It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 708 346 is not a prime number.
For example, 708 346 can be divided by 2: 708 346 / 2 = 354 173.
For 708 346 to be a prime number, it would have been required that 708 346 has only two divisors, i.e., itself and 1.
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708 346 is an even number, because it is evenly divisible by 2: 708 346 / 2 = 354 173.
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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 708 346 is about 841.633.
Thus, the square root of 708 346 is not an integer, and therefore 708 346 is not a square number.
The square of a number (here 708 346) is the result of the product of this number (708 346) by itself (i.e., 708 346 × 708 346); the square of 708 346 is sometimes called "raising 708 346 to the power 2", or "708 346 squared".
The square of 708 346 is 501 754 055 716 because 708 346 × 708 346 = 708 3462 = 501 754 055 716.
As a consequence, 708 346 is the square root of 501 754 055 716.
The multiples of 708 346 are all integers evenly divisible by 708 346, that is all numbers such that the remainder of the division by 708 346 is zero. There are infinitely many multiples of 708 346. The smallest multiples of 708 346 are: