Q: Is 340,689 a Prime Number?
A: No, 340,689 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 340689 can be evenly divided by 1 3 19 43 57 129 139 417 817 2,451 2,641 5,977 7,923 17,931 113,563 and 340,689, with no remainder.
Since 340,689 cannot be divided by just 1 and 340,689, it is not a prime number.