Q: Is 128,125 a Prime Number?
A: No, 128,125 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 128125 can be evenly divided by 1 5 25 41 125 205 625 1,025 3,125 5,125 25,625 and 128,125, with no remainder.
Since 128,125 cannot be divided by just 1 and 128,125, it is not a prime number.