Q: Is 128,001 a Prime Number?
A: No, 128,001 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 128001 can be evenly divided by 1 3 42,667 and 128,001, with no remainder.
Since 128,001 cannot be divided by just 1 and 128,001, it is not a prime number.