Q: Is 624,319 a Prime Number?
A: Yes, 624,319 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 624319 can be evenly divided by 1 and 624,319, with no remainder.
Since 624,319 can be divided by just 1 and 624,319, it is a prime number.