Q: Is 628,501 a Prime Number?
A: No, 628,501 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 628501 can be evenly divided by 1 19 361 1,741 33,079 and 628,501, with no remainder.
Since 628,501 cannot be divided by just 1 and 628,501, it is not a prime number.