Q: Is 634,628 a Prime Number?
A: No, 634,628 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 634628 can be evenly divided by 1 2 4 158,657 317,314 and 634,628, with no remainder.
Since 634,628 cannot be divided by just 1 and 634,628, it is not a prime number.