Q: Is 128,536 a Prime Number?
A: No, 128,536 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 128536 can be evenly divided by 1 2 4 8 16,067 32,134 64,268 and 128,536, with no remainder.
Since 128,536 cannot be divided by just 1 and 128,536, it is not a prime number.