It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 349 338 is not a prime number.
For example, 349 338 can be divided by 2: 349 338 / 2 = 174 669.
For 349 338 to be a prime number, it would have been required that 349 338 has only two divisors, i.e., itself and 1.
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349 338 is an even number, because it is evenly divisible by 2: 349 338 / 2 = 174 669.
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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 349 338 is about 591.048.
Thus, the square root of 349 338 is not an integer, and therefore 349 338 is not a square number.
The square of a number (here 349 338) is the result of the product of this number (349 338) by itself (i.e., 349 338 × 349 338); the square of 349 338 is sometimes called "raising 349 338 to the power 2", or "349 338 squared".
The square of 349 338 is 122 037 038 244 because 349 338 × 349 338 = 349 3382 = 122 037 038 244.
As a consequence, 349 338 is the square root of 122 037 038 244.
The multiples of 349 338 are all integers evenly divisible by 349 338, that is all numbers such that the remainder of the division by 349 338 is zero. There are infinitely many multiples of 349 338. The smallest multiples of 349 338 are: