Q: Is 128,201 a Prime Number?
A: Yes, 128,201 is a prime number.
A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 128201 can be evenly divided by 1 and 128,201, with no remainder.
Since 128,201 can be divided by just 1 and 128,201, it is a prime number.