Q: Is 128,569 a Prime Number?
A: No, 128,569 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 128569 can be evenly divided by 1 7 18,367 and 128,569, with no remainder.
Since 128,569 cannot be divided by just 1 and 128,569, it is not a prime number.