It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 342 108 is not a prime number.
For example, 342 108 can be divided by 2: 342 108 / 2 = 171 054.
For 342 108 to be a prime number, it would have been required that 342 108 has only two divisors, i.e., itself and 1.
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342 108 is an even number, because it is evenly divisible by 2: 342 108 / 2 = 171 054.
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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 342 108 is about 584.900.
Thus, the square root of 342 108 is not an integer, and therefore 342 108 is not a square number.
The square of a number (here 342 108) is the result of the product of this number (342 108) by itself (i.e., 342 108 × 342 108); the square of 342 108 is sometimes called "raising 342 108 to the power 2", or "342 108 squared".
The square of 342 108 is 117 037 883 664 because 342 108 × 342 108 = 342 1082 = 117 037 883 664.
As a consequence, 342 108 is the square root of 117 037 883 664.
The multiples of 342 108 are all integers evenly divisible by 342 108, that is all numbers such that the remainder of the division by 342 108 is zero. There are infinitely many multiples of 342 108. The smallest multiples of 342 108 are: