Q: Is 624,427 a Prime Number?
A: No, 624,427 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 624427 can be evenly divided by 1 17 23 391 1,597 27,149 36,731 and 624,427, with no remainder.
Since 624,427 cannot be divided by just 1 and 624,427, it is not a prime number.