Q: Is 624 a Prime Number?
A: No, 624 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 624 can be evenly divided by 1 2 3 4 6 8 12 13 16 24 26 39 48 52 78 104 156 208 312 and 624, with no remainder.
Since 624 cannot be divided by just 1 and 624, it is not a prime number.