Q: Is 128,788 a Prime Number?
A: No, 128,788 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 128788 can be evenly divided by 1 2 4 11 22 44 2,927 5,854 11,708 32,197 64,394 and 128,788, with no remainder.
Since 128,788 cannot be divided by just 1 and 128,788, it is not a prime number.