Q: Is 128,579 a Prime Number?
A: No, 128,579 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 128579 can be evenly divided by 1 11 11,689 and 128,579, with no remainder.
Since 128,579 cannot be divided by just 1 and 128,579, it is not a prime number.