Q: Is 340,258 a Prime Number?
A: No, 340,258 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 340258 can be evenly divided by 1 2 61 122 2,789 5,578 170,129 and 340,258, with no remainder.
Since 340,258 cannot be divided by just 1 and 340,258, it is not a prime number.