Q: Is 128,567 a Prime Number?
A: No, 128,567 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 128567 can be evenly divided by 1 83 1,549 and 128,567, with no remainder.
Since 128,567 cannot be divided by just 1 and 128,567, it is not a prime number.