It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 342 707 is not a prime number.
For example, 342 707 can be divided by 83: 342 707 / 83 = 4 129.
For 342 707 to be a prime number, it would have been required that 342 707 has only two divisors, i.e., itself and 1.
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342 707 is an odd number, because it is not evenly divisible by 2.
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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 342 707 is about 585.412.
Thus, the square root of 342 707 is not an integer, and therefore 342 707 is not a square number.
The square of a number (here 342 707) is the result of the product of this number (342 707) by itself (i.e., 342 707 × 342 707); the square of 342 707 is sometimes called "raising 342 707 to the power 2", or "342 707 squared".
The square of 342 707 is 117 448 087 849 because 342 707 × 342 707 = 342 7072 = 117 448 087 849.
As a consequence, 342 707 is the square root of 117 448 087 849.
The multiples of 342 707 are all integers evenly divisible by 342 707, that is all numbers such that the remainder of the division by 342 707 is zero. There are infinitely many multiples of 342 707. The smallest multiples of 342 707 are: