Q: Is 128,488 a Prime Number?
A: No, 128,488 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 128488 can be evenly divided by 1 2 4 8 16,061 32,122 64,244 and 128,488, with no remainder.
Since 128,488 cannot be divided by just 1 and 128,488, it is not a prime number.