Q: Is 128,259 a Prime Number?
A: No, 128,259 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 128259 can be evenly divided by 1 3 9 14,251 42,753 and 128,259, with no remainder.
Since 128,259 cannot be divided by just 1 and 128,259, it is not a prime number.