Q: Is 128,501 a Prime Number?
A: No, 128,501 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 128501 can be evenly divided by 1 23 37 151 851 3,473 5,587 and 128,501, with no remainder.
Since 128,501 cannot be divided by just 1 and 128,501, it is not a prime number.