Q: Is 128,887 a Prime Number?
A: No, 128,887 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 128887 can be evenly divided by 1 11 11,717 and 128,887, with no remainder.
Since 128,887 cannot be divided by just 1 and 128,887, it is not a prime number.