It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 343 004 is not a prime number.
For example, 343 004 can be divided by 2: 343 004 / 2 = 171 502.
For 343 004 to be a prime number, it would have been required that 343 004 has only two divisors, i.e., itself and 1.
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343 004 is an even number, because it is evenly divisible by 2: 343 004 / 2 = 171 502.
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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 343 004 is about 585.665.
Thus, the square root of 343 004 is not an integer, and therefore 343 004 is not a square number.
The square of a number (here 343 004) is the result of the product of this number (343 004) by itself (i.e., 343 004 × 343 004); the square of 343 004 is sometimes called "raising 343 004 to the power 2", or "343 004 squared".
The square of 343 004 is 117 651 744 016 because 343 004 × 343 004 = 343 0042 = 117 651 744 016.
As a consequence, 343 004 is the square root of 117 651 744 016.
The multiples of 343 004 are all integers evenly divisible by 343 004, that is all numbers such that the remainder of the division by 343 004 is zero. There are infinitely many multiples of 343 004. The smallest multiples of 343 004 are: