Q: Is 624,642 a Prime Number?
A: No, 624,642 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 624642 can be evenly divided by 1 2 3 6 104,107 208,214 312,321 and 624,642, with no remainder.
Since 624,642 cannot be divided by just 1 and 624,642, it is not a prime number.