Q: Is 128,426 a Prime Number?
A: No, 128,426 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 128426 can be evenly divided by 1 2 157 314 409 818 64,213 and 128,426, with no remainder.
Since 128,426 cannot be divided by just 1 and 128,426, it is not a prime number.