It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 708 342 is not a prime number.
For example, 708 342 can be divided by 2: 708 342 / 2 = 354 171.
For 708 342 to be a prime number, it would have been required that 708 342 has only two divisors, i.e., itself and 1.
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708 342 is an even number, because it is evenly divisible by 2: 708 342 / 2 = 354 171.
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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 708 342 is about 841.631.
Thus, the square root of 708 342 is not an integer, and therefore 708 342 is not a square number.
The square of a number (here 708 342) is the result of the product of this number (708 342) by itself (i.e., 708 342 × 708 342); the square of 708 342 is sometimes called "raising 708 342 to the power 2", or "708 342 squared".
The square of 708 342 is 501 748 388 964 because 708 342 × 708 342 = 708 3422 = 501 748 388 964.
As a consequence, 708 342 is the square root of 501 748 388 964.
The multiples of 708 342 are all integers evenly divisible by 708 342, that is all numbers such that the remainder of the division by 708 342 is zero. There are infinitely many multiples of 708 342. The smallest multiples of 708 342 are: