It is possible to find out using mathematical methods whether a given integer is a prime number or not.
No, 340 697 is not a prime number.
For example, 340 697 can be divided by 7: 340 697 / 7 = 48 671.
For 340 697 to be a prime number, it would have been required that 340 697 has only two divisors, i.e., itself and 1.
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340 697 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 340 697 is about 583.693.
Thus, the square root of 340 697 is not an integer, and therefore 340 697 is not a square number.
The square of a number (here 340 697) is the result of the product of this number (340 697) by itself (i.e., 340 697 × 340 697); the square of 340 697 is sometimes called "raising 340 697 to the power 2", or "340 697 squared".
The square of 340 697 is 116 074 445 809 because 340 697 × 340 697 = 340 6972 = 116 074 445 809.
As a consequence, 340 697 is the square root of 116 074 445 809.
The multiples of 340 697 are all integers evenly divisible by 340 697, that is all numbers such that the remainder of the division by 340 697 is zero. There are infinitely many multiples of 340 697. The smallest multiples of 340 697 are: