Q: Is 624,649 a Prime Number?
A: Yes, 624,649 is a prime number.
A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 624649 can be evenly divided by 1 and 624,649, with no remainder.
Since 624,649 can be divided by just 1 and 624,649, it is a prime number.