Q: Is 624,728 a Prime Number?
A: No, 624,728 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 624728 can be evenly divided by 1 2 4 8 13 26 52 104 6,007 12,014 24,028 48,056 78,091 156,182 312,364 and 624,728, with no remainder.
Since 624,728 cannot be divided by just 1 and 624,728, it is not a prime number.