Q: Is 128,087 a Prime Number?
A: No, 128,087 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 128087 can be evenly divided by 1 23 5,569 and 128,087, with no remainder.
Since 128,087 cannot be divided by just 1 and 128,087, it is not a prime number.