It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 342 702 is not a prime number.
For example, 342 702 can be divided by 2: 342 702 / 2 = 171 351.
For 342 702 to be a prime number, it would have been required that 342 702 has only two divisors, i.e., itself and 1.
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342 702 is an even number, because it is evenly divisible by 2: 342 702 / 2 = 171 351.
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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 342 702 is about 585.408.
Thus, the square root of 342 702 is not an integer, and therefore 342 702 is not a square number.
The square of a number (here 342 702) is the result of the product of this number (342 702) by itself (i.e., 342 702 × 342 702); the square of 342 702 is sometimes called "raising 342 702 to the power 2", or "342 702 squared".
The square of 342 702 is 117 444 660 804 because 342 702 × 342 702 = 342 7022 = 117 444 660 804.
As a consequence, 342 702 is the square root of 117 444 660 804.
The multiples of 342 702 are all integers evenly divisible by 342 702, that is all numbers such that the remainder of the division by 342 702 is zero. There are infinitely many multiples of 342 702. The smallest multiples of 342 702 are: