Q: Is 128,507 a Prime Number?
A: No, 128,507 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 128507 can be evenly divided by 1 107 1,201 and 128,507, with no remainder.
Since 128,507 cannot be divided by just 1 and 128,507, it is not a prime number.