It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 340 629 is not a prime number.
For example, 340 629 can be divided by 3: 340 629 / 3 = 113 543.
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For 340 629 to be a prime number, it would have been required that 340 629 has only two divisors, i.e., itself and 1.
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340 629 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 340 629 is about 583.634.
Thus, the square root of 340 629 is not an integer, and therefore 340 629 is not a square number.
The square of a number (here 340 629) is the result of the product of this number (340 629) by itself (i.e., 340 629 × 340 629); the square of 340 629 is sometimes called "raising 340 629 to the power 2", or "340 629 squared".
The square of 340 629 is 116 028 115 641 because 340 629 × 340 629 = 340 6292 = 116 028 115 641.
As a consequence, 340 629 is the square root of 116 028 115 641.
The multiples of 340 629 are all integers evenly divisible by 340 629, that is all numbers such that the remainder of the division by 340 629 is zero. There are infinitely many multiples of 340 629. The smallest multiples of 340 629 are: