Q: Is 628,634 a Prime Number?
A: No, 628,634 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 628634 can be evenly divided by 1 2 19 38 71 142 233 466 1,349 2,698 4,427 8,854 16,543 33,086 314,317 and 628,634, with no remainder.
Since 628,634 cannot be divided by just 1 and 628,634, it is not a prime number.