Q: Is 624,738 a Prime Number?
A: No, 624,738 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 624738 can be evenly divided by 1 2 3 6 104,123 208,246 312,369 and 624,738, with no remainder.
Since 624,738 cannot be divided by just 1 and 624,738, it is not a prime number.