Q: Is 340,389 a Prime Number?
A: No, 340,389 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 340389 can be evenly divided by 1 3 7 9 21 27 63 189 1,801 5,403 12,607 16,209 37,821 48,627 113,463 and 340,389, with no remainder.
Since 340,389 cannot be divided by just 1 and 340,389, it is not a prime number.