Q: Is 340,558 a Prime Number?
A: No, 340,558 is not a prime number.
A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 340558 can be evenly divided by 1 2 170,279 and 340,558, with no remainder.
Since 340,558 cannot be divided by just 1 and 340,558, it is not a prime number.