Q: Is 128,718 a Prime Number?
A: No, 128,718 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 128718 can be evenly divided by 1 2 3 6 9 18 7,151 14,302 21,453 42,906 64,359 and 128,718, with no remainder.
Since 128,718 cannot be divided by just 1 and 128,718, it is not a prime number.