Q: Is 128,807 a Prime Number?
A: No, 128,807 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 128807 can be evenly divided by 1 7 18,401 and 128,807, with no remainder.
Since 128,807 cannot be divided by just 1 and 128,807, it is not a prime number.