Q: Is 128,725 a Prime Number?
A: No, 128,725 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 128725 can be evenly divided by 1 5 19 25 95 271 475 1,355 5,149 6,775 25,745 and 128,725, with no remainder.
Since 128,725 cannot be divided by just 1 and 128,725, it is not a prime number.