Q: Is 128,508 a Prime Number?
A: No, 128,508 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 128508 can be evenly divided by 1 2 3 4 6 12 10,709 21,418 32,127 42,836 64,254 and 128,508, with no remainder.
Since 128,508 cannot be divided by just 1 and 128,508, it is not a prime number.